cmake remove circular linking and reorganize

- px4_add_module now requires MAIN
 - px4_add_library doesn't automatically link

platforms/qurt/src/px4_layer/CMakeLists.txt

@@ -30,6 +30,7 @@
 # POSSIBILITY OF SUCH DAMAGE.
 #
 ############################################################################
+
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PX4_SOURCE_DIR}/cmake/cmake_hexagon")
 include(hexagon_sdk)
 
@@ -52,12 +53,8 @@ if ("${QURT_ENABLE_STUBS}" STREQUAL "1")
 		)
 endif()
 
-px4_add_module(
-	MODULE platforms_px4_layer
-	COMPILE_FLAGS
-	SRCS
-		${QURT_LAYER_SRCS}
-		${CONFIG_SRC}
-	DEPENDS
-		platforms__common
-	)
+add_library(px4_layer
+	${QURT_LAYER_SRCS}
+	${CONFIG_SRC}
+)
+add_dependencies(px4_layer uorb_msgs) # dataman requires mission

platforms/qurt/src/px4_layer/px4_qurt_impl.cpp

@@ -48,7 +48,7 @@
 #include <errno.h>
 #include <unistd.h>
 #include <semaphore.h>
-#include <systemlib/param/param.h>
+#include <parameters/param.h>
 #include "hrt_work.h"
 #include "px4_log.h"
 

platforms/qurt/src/px4_layer/shmem_qurt.c

@@ -41,7 +41,7 @@
 #include <sys/stat.h>
 #include <atomic_ops.h>
 
-#include "systemlib/param/param.h"
+#include <parameters/param.h>
 
 #include <shmem.h>
 #include <drivers/drv_hrt.h>