cmake remove circular linking and reorganize

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

src/drivers/distance_sensor/leddar_one/CMakeLists.txt

@@ -37,6 +37,4 @@ px4_add_module(
 	SRCS
 		leddar_one.cpp
 	DEPENDS
-		platforms__common
 	)
-# vim: set noet ft=cmake fenc=utf-8 ff=unix : 

src/drivers/distance_sensor/leddar_one/leddar_one.cpp

@@ -45,7 +45,7 @@
 #include <drivers/device/ringbuffer.h>
 #include <drivers/drv_hrt.h>
 
-#include <systemlib/perf_counter.h>
+#include <perf/perf_counter.h>
 
 #include <uORB/topics/distance_sensor.h>