Use px4_config.h instead of nuttx/config.h

Modified code to use OS independent header file for config settings.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

src/modules/uavcan/uavcan_main.cpp

@@ -31,7 +31,7 @@
  *
  ****************************************************************************/
 
-#include <nuttx/config.h>
+#include <px4_config.h>
 
 #include <cstdlib>
 #include <cstring>

src/modules/uavcan/uavcan_main.hpp

@@ -33,7 +33,7 @@
 
 #pragma once
 
-#include <nuttx/config.h>
+#include <px4_config.h>
 #include <uavcan_stm32/uavcan_stm32.hpp>
 #include <drivers/device/device.h>
 #include <systemlib/perf_counter.h>

src/modules/uavcan/uavcan_params.c

@@ -35,7 +35,7 @@
  * @author Pavel Kirienko <pavel.kirienko@gmail.com>
  */
 
-#include <nuttx/config.h>
+#include <px4_config.h>
 #include <systemlib/param/param.h>
 
 /**