organize all IMU drivers in subdirectory

cmake/configs/nuttx_aerocore2_default.cmake

@@ -19,8 +19,8 @@ set(config_module_list
 	drivers/led
 	drivers/px4fmu
 	drivers/boards
-	drivers/lsm303d
-	drivers/l3gd20
+	drivers/imu/lsm303d
+	drivers/imu/l3gd20
 	drivers/gps
 	drivers/pwm_out_sim
 	drivers/airspeed

cmake/configs/nuttx_aerofc-v1_default.cmake

@@ -16,7 +16,7 @@ set(config_module_list
 	drivers/barometer/ms5611
 	drivers/magnetometer/hmc5883
 	drivers/magnetometer/ist8310
-	drivers/mpu9250
+	drivers/imu/mpu9250
 	drivers/px4fmu
 	drivers/stm32
 	drivers/tap_esc

cmake/configs/nuttx_auav-x21_default.cmake

@@ -24,8 +24,8 @@ set(config_module_list
 	drivers/hott
 	drivers/led
 	drivers/mkblctrl
-	drivers/mpu6000
-	drivers/mpu9250
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
 	drivers/oreoled
 	drivers/pwm_input
 	drivers/pwm_out_sim

cmake/configs/nuttx_crazyflie_default.cmake

@@ -10,7 +10,7 @@ set(config_module_list
 	drivers/led
 	drivers/px4fmu
 	drivers/boards
-	drivers/mpu9250
+	drivers/imu/mpu9250
 	drivers/barometer/lps25h
 	drivers/gps
 	modules/sensors

cmake/configs/nuttx_mindpx-v2_default.cmake

@@ -21,13 +21,13 @@ set(config_module_list
 	drivers/frsky_telemetry
 	drivers/gps
 	#drivers/hott
-	drivers/l3gd20
+	drivers/imu/l3gd20
 	drivers/led
-	drivers/lsm303d
+	drivers/imu/lsm303d
 	drivers/magnetometer/hmc5883
 	#drivers/mkblctrl
-	drivers/mpu6000
-	drivers/mpu9250
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
 	#drivers/oreoled
 	drivers/pwm_input
 	drivers/pwm_out_sim

cmake/configs/nuttx_nxphlite-v3_default.cmake

@@ -21,19 +21,19 @@ set(config_module_list
 	drivers/camera_trigger
 	drivers/device
 	drivers/frsky_telemetry
-	drivers/fxas21002c
-	drivers/fxos8701cq
+	drivers/imu/fxas21002c
+	drivers/imu/fxos8701cq
 	drivers/gps
 	drivers/hott
 	drivers/iridiumsbd
 	drivers/kinetis
 	drivers/kinetis/adc
 	drivers/kinetis/tone_alarm
-	drivers/l3gd20
+	drivers/imu/l3gd20
 	drivers/led
 	drivers/mkblctrl
-	drivers/mpu6000
-	drivers/mpu9250
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
 	drivers/oreoled
 # NOT Portable YET drivers/pwm_input
 	drivers/pwm_out_sim

cmake/configs/nuttx_px4-same70xplained-v1_default.cmake

@@ -20,10 +20,10 @@ set(config_module_list
 	drivers/px4fmu
 	drivers/boards
 	drivers/rgbled
-	drivers/mpu6000
-	drivers/mpu9250
-	drivers/lsm303d
-	drivers/l3gd20
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
+	drivers/imu/lsm303d
+	drivers/imu/l3gd20
 	drivers/gps
 #WIP 	drivers/pwm_out_sim
 	drivers/hott

cmake/configs/nuttx_px4fmu-v2_default.cmake

@@ -10,12 +10,12 @@ set(config_module_list
 	drivers/differential_pressure
 	#drivers/magnetometer
 
-	#drivers/adis16448
+	#drivers/imu/adis16448
 	drivers/airspeed
 	drivers/barometer/ms5611
 	#drivers/blinkm
-	#drivers/bmi160
-	#drivers/bmp280
+	#drivers/imu/bmi160
+	#drivers/barometer/bmp280
 	drivers/boards
 	#drivers/bst
 	drivers/camera_trigger
@@ -25,15 +25,15 @@ set(config_module_list
 	#drivers/hott
 	#drivers/iridiumsbd
 	#drivers/irlock
-	drivers/l3gd20
+	drivers/imu/l3gd20
 	drivers/led
-	drivers/lsm303d
+	drivers/imu/lsm303d
 	drivers/magnetometer/hmc5883
 	drivers/magnetometer/lis3mdl
 	#drivers/mb12xx
 	#drivers/mkblctrl
-	drivers/mpu6000
-	drivers/mpu9250
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
 	#drivers/oreoled
 	#drivers/protocol_splitter
 	drivers/pwm_input

cmake/configs/nuttx_px4fmu-v2_test.cmake

@@ -14,10 +14,10 @@ set(config_module_list
 	drivers/px4io
 	drivers/boards
 	drivers/rgbled
-	drivers/mpu6000
-#TO FIT	drivers/mpu9250
-	drivers/lsm303d
-	drivers/l3gd20
+	drivers/imu/mpu6000
+#TO FIT	drivers/imu/mpu9250
+	drivers/imu/lsm303d
+	drivers/imu/l3gd20
 	drivers/hmc5883
 	#drivers/mb12xx
 	#drivers/srf02

cmake/configs/nuttx_px4fmu-v3_default.cmake

@@ -18,11 +18,11 @@ set(config_module_list
 	drivers/distance_sensor
 	drivers/magnetometer
 
-	drivers/adis16448
+	drivers/imu/adis16448
 	drivers/airspeed
 	drivers/batt_smbus
 	drivers/blinkm
-	drivers/bmi160
+	drivers/imu/bmi160
 	drivers/boards
 	drivers/bst
 	drivers/camera_trigger
@@ -32,11 +32,11 @@ set(config_module_list
 	drivers/hott
 	drivers/iridiumsbd
 	drivers/irlock
-	drivers/l3gd20
+	drivers/imu/l3gd20
 	drivers/led
 	drivers/mkblctrl
-	drivers/mpu6000
-	drivers/mpu9250
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
 	drivers/oreoled
 	drivers/protocol_splitter
 	drivers/pwm_input

cmake/configs/nuttx_px4fmu-v4_default.cmake

@@ -15,9 +15,9 @@ set(config_module_list
 	drivers/airspeed
 	drivers/batt_smbus
 	drivers/blinkm
-	drivers/bma180
-	drivers/bmi055
-	drivers/bmi160
+	drivers/imu/bma180
+	drivers/imu/bmi055
+	drivers/imu/bmi160
 	drivers/boards
 	drivers/bst
 	drivers/camera_trigger
@@ -29,8 +29,8 @@ set(config_module_list
 	drivers/irlock
 	drivers/led
 	drivers/mkblctrl
-	drivers/mpu6000
-	drivers/mpu9250
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
 	drivers/oreoled
 	drivers/pca9685
 	drivers/pwm_input

cmake/configs/nuttx_px4fmu-v4pro_default.cmake

@@ -15,8 +15,8 @@ set(config_module_list
 	drivers/airspeed
 	drivers/batt_smbus
 	drivers/blinkm
-	drivers/bma180
-	drivers/bmi160
+	drivers/imu/bma180
+	drivers/imu/bmi160
 	drivers/boards
 	drivers/bst
 	drivers/camera_trigger
@@ -26,11 +26,11 @@ set(config_module_list
 	drivers/hott
 	drivers/iridiumsbd
 	drivers/irlock
-	drivers/l3gd20
+	drivers/imu/l3gd20
 	drivers/led
 	drivers/mkblctrl
-	drivers/mpu6000
-	drivers/mpu9250
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
 	drivers/oreoled
 	drivers/pwm_input
 	drivers/pwm_out_sim

cmake/configs/nuttx_px4fmu-v5_default.cmake

@@ -15,9 +15,9 @@ set(config_module_list
 	drivers/airspeed
 	drivers/batt_smbus
 	drivers/blinkm
-	drivers/bma180
-	drivers/bmi055
-	drivers/bmi160
+	drivers/imu/bma180
+	drivers/imu/bmi055
+	drivers/imu/bmi160
 	drivers/boards
 	drivers/bst
 	drivers/camera_trigger
@@ -29,8 +29,8 @@ set(config_module_list
 	drivers/irlock
 	drivers/led
 	drivers/mkblctrl
-	drivers/mpu6000
-	drivers/mpu9250
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
 	drivers/oreoled
 	drivers/pwm_input
 	drivers/pwm_out_sim

cmake/configs/nuttx_px4nucleoF767ZI-v1_default.cmake

@@ -12,11 +12,11 @@ set(config_module_list
 	drivers/distance_sensor
 	drivers/magnetometer
 
-	drivers/adis16448
+	drivers/imu/adis16448
 	drivers/airspeed
 	drivers/blinkm
-	drivers/bma180
-	drivers/bmi160
+	drivers/imu/bma180
+	drivers/imu/bmi160
 	drivers/boards
 	drivers/bst
 	drivers/camera_trigger
@@ -26,8 +26,8 @@ set(config_module_list
 	drivers/hott
 	drivers/led
 	drivers/mkblctrl
-	drivers/mpu6000
-	drivers/mpu9250
+	drivers/imu/mpu6000
+	drivers/imu/mpu9250
 	drivers/oreoled
 	drivers/pwm_input
 	drivers/pwm_out_sim

cmake/configs/nuttx_tap-v1_default.cmake

@@ -15,7 +15,7 @@ set(config_module_list
 	drivers/gps
 	drivers/led
 	drivers/magnetometer/hmc5883
-	drivers/mpu6000
+	drivers/imu/mpu6000
 	drivers/px4fmu
 	drivers/rgbled_pwm
 	drivers/stm32