move posix, nuttx, qurt components into platforms

platforms/posix/cmake/px4_impl_os.cmake

@@ -165,9 +165,7 @@ function(px4_os_add_flags)
 		DEFINITIONS ${DEFINITIONS})
 
         set(added_include_dirs
-		src/modules/systemlib
-		src/platforms/posix/include
-		mavlink/include/mavlink
+		platforms/posix/include
 		)
 
 	# This block sets added_definitions and added_cxx_flags.

platforms/posix/cmake/sitl_target.cmake

@@ -32,7 +32,7 @@ endfunction()
 # sitl run targets
 #
 
-set(SITL_RUNNER_MAIN_CPP ${PX4_SOURCE_DIR}/src/platforms/posix/main.cpp)
+set(SITL_RUNNER_MAIN_CPP src/main.cpp)
 px4_add_sitl_app(APP_NAME px4
 		UPLOAD_NAME upload
 		MAIN_SRC ${SITL_RUNNER_MAIN_CPP}
@@ -111,7 +111,7 @@ foreach(viewer ${viewers})
 				set(SITL_RUNNER_MODEL_FILE ${PX4_SOURCE_DIR}/${config_sitl_rcS_dir}/${model})
 				set(SITL_RUNNER_WORKING_DIRECTORY ${SITL_WORKING_DIR})
 
-				configure_file(${PX4_SOURCE_DIR}/src/platforms/posix/sitl_runner_main.cpp.in sitl_runner_main_${model}.cpp @ONLY)
+				configure_file(src/sitl_runner_main.cpp.in sitl_runner_main_${model}.cpp @ONLY)
 
 				px4_add_sitl_app(APP_NAME px4_${model}
 						UPLOAD_NAME upload_${model}