src/platforms: move all headers to platforms/common/include/px4_platform_common

and remove the px4_ prefix, except for px4_config.h.

command to update includes:
for k in app.h atomic.h cli.h console_buffer.h defines.h getopt.h i2c.h init.h log.h micro_hal.h module.h module_params.h param.h param_macros.h posix.h sem.h sem.hpp shmem.h shutdown.h tasks.h time.h workqueue.h; do for i in $(grep -rl 'include <px4_'$k src platforms boards); do sed -i 's/#include <px4_'$k'/#include <px4_platform_common\/'$k/ $i; done; done
for in $(grep -rl 'include <px4_config.h' src platforms boards); do sed -i 's/#include <px4_config.h/#include <px4_platform_common\/px4_config.h'/ $i; done

Transitional headers for submodules are added (px4_{defines,log,time}.h)

src/modules/logger/log_writer_file.cpp

@@ -39,7 +39,7 @@
 #include <errno.h>
 
 #include <mathlib/mathlib.h>
-#include <px4_posix.h>
+#include <px4_platform_common/posix.h>
 #ifdef __PX4_NUTTX
 #include <systemlib/hardfault_log.h>
 #endif /* __PX4_NUTTX */

src/modules/logger/log_writer_file.h

@@ -33,7 +33,7 @@
 
 #pragma once
 
-#include <px4_defines.h>
+#include <px4_platform_common/defines.h>
 #include <stdint.h>
 #include <pthread.h>
 #include <drivers/drv_hrt.h>

src/modules/logger/log_writer_mavlink.cpp

@@ -36,8 +36,8 @@
 
 #include <drivers/drv_hrt.h>
 #include <mathlib/mathlib.h>
-#include <px4_log.h>
-#include <px4_posix.h>
+#include <px4_platform_common/log.h>
+#include <px4_platform_common/posix.h>
 #include <cstring>
 
 namespace px4

src/modules/logger/logger.cpp

@@ -31,8 +31,8 @@
  *
  ****************************************************************************/
 
-#include <px4_config.h>
-#include <px4_console_buffer.h>
+#include <px4_platform_common/px4_config.h>
+#include <px4_platform_common/console_buffer.h>
 #include "logger.h"
 #include "messages.h"
 #include "watchdog.h"
@@ -51,12 +51,12 @@
 
 #include <drivers/drv_hrt.h>
 #include <mathlib/math/Limits.hpp>
-#include <px4_getopt.h>
-#include <px4_log.h>
-#include <px4_posix.h>
-#include <px4_sem.h>
-#include <px4_shutdown.h>
-#include <px4_tasks.h>
+#include <px4_platform_common/getopt.h>
+#include <px4_platform_common/log.h>
+#include <px4_platform_common/posix.h>
+#include <px4_platform_common/sem.h>
+#include <px4_platform_common/shutdown.h>
+#include <px4_platform_common/tasks.h>
 #include <systemlib/mavlink_log.h>
 #include <replay/definitions.hpp>
 #include <version/version.h>

src/modules/logger/logger.h

@@ -37,12 +37,12 @@
 #include "messages.h"
 #include <containers/Array.hpp>
 #include "util.h"
-#include <px4_defines.h>
+#include <px4_platform_common/defines.h>
 #include <drivers/drv_hrt.h>
 #include <version/version.h>
 #include <parameters/param.h>
 #include <systemlib/printload.h>
-#include <px4_module.h>
+#include <px4_platform_common/module.h>
 
 #include <uORB/Subscription.hpp>
 #include <uORB/SubscriptionInterval.hpp>

src/modules/logger/util.cpp

@@ -43,8 +43,8 @@
 #include <uORB/topics/vehicle_gps_position.h>
 
 #include <drivers/drv_hrt.h>
-#include <px4_log.h>
-#include <px4_time.h>
+#include <px4_platform_common/log.h>
+#include <px4_platform_common/time.h>
 #include <systemlib/mavlink_log.h>
 
 #if defined(__PX4_DARWIN)

src/modules/logger/watchdog.cpp

@@ -33,7 +33,7 @@
 
 #include "watchdog.h"
 
-#include <px4_log.h>
+#include <px4_platform_common/log.h>
 
 #if defined(__PX4_NUTTX) && !defined(CONFIG_SCHED_INSTRUMENTATION)
 #  error watchdog support requires CONFIG_SCHED_INSTRUMENTATION