posix: enable ROMFSROOT

This will copy the ROMFS into the build directory under etc/, and thus
needs a change of the PX4 startup parameters and mixer paths.

boards/atlflight/eagle/cmake/upload.cmake

@@ -46,7 +46,7 @@ else()
 
 	add_custom_target(upload
 		COMMAND ${PX4_BOARD_DIR}/scripts/adb_upload.sh
-				${CMAKE_RUNTIME_OUTPUT_DIRECTORY} ${PX4_SOURCE_DIR}/posix-configs/eagle/flight/mainapp.config ${PX4_SOURCE_DIR}/ROMFS # source
+				${CMAKE_RUNTIME_OUTPUT_DIRECTORY} ${PX4_SOURCE_DIR}/posix-configs/eagle/flight/mainapp.config ${PX4_BINARY_DIR}/etc # source
 				/home/linaro # destination
 		DEPENDS px4 ${PX4_BOARD_DIR}/scripts/adb_upload.sh
 		COMMENT "uploading px4"

boards/atlflight/eagle/default.cmake

@@ -41,6 +41,7 @@ px4_add_board(
 	LABEL default
 	#TESTING
 	TOOLCHAIN arm-linux-gnueabihf
+	ROMFSROOT px4fmu_common
 	DRIVERS
 		#barometer # all available barometer drivers
 		batt_smbus