move initial sensor priority to parameters and purge ORB_PRIORITY

- CAL_ACCx_EN -> CAL_ACCx_PRIO
 - CAL_GYROx_EN -> CAL_GYROx_PRIO
 - CAL_MAGx_EN -> CAL_MAGx_PRIO

src/examples/fake_magnetometer/FakeMagnetometer.cpp

@@ -41,7 +41,7 @@ using namespace time_literals;
 FakeMagnetometer::FakeMagnetometer() :
 	ModuleParams(nullptr),
 	ScheduledWorkItem(MODULE_NAME, px4::wq_configurations::hp_default),
-	_px4_mag(0, ORB_PRIO_MIN, ROTATION_NONE)
+	_px4_mag(0, ROTATION_NONE)
 {
 	_px4_mag.set_device_type(DRV_MAG_DEVTYPE_MAGSIM);
 	_px4_mag.set_external(false);

src/examples/fake_magnetometer/FakeMagnetometer.hpp

@@ -46,6 +46,7 @@
 #include <px4_platform_common/module_params.h>
 #include <px4_platform_common/posix.h>
 #include <px4_platform_common/px4_work_queue/ScheduledWorkItem.hpp>
+#include <drivers/drv_sensor.h>
 #include <lib/drivers/magnetometer/PX4Magnetometer.hpp>
 #include <uORB/Subscription.hpp>
 #include <uORB/topics/vehicle_attitude.h>