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/lib/geo/geo.c

@@ -43,7 +43,7 @@
  */
 
 #include <geo/geo.h>
-#include <nuttx/config.h>
+#include <px4_config.h>
 #include <unistd.h>
 #include <pthread.h>
 #include <stdio.h>

src/lib/launchdetection/launchdetection_params.c

@@ -39,7 +39,7 @@
  * @author Thomas Gubler <thomasgubler@gmail.com>
  */
 
-#include <nuttx/config.h>
+#include <px4_config.h>
 
 #include <systemlib/param/param.h>
 

src/lib/mathlib/CMSIS/Include/arm_math.h

@@ -267,7 +267,7 @@
 #define __CMSIS_GENERIC         /* disable NVIC and Systick functions */
 
 /* PX4 */
-#include <nuttx/config.h>
+#include <px4_config.h>
 #ifdef CONFIG_ARCH_CORTEXM4
 # define ARM_MATH_CM4 1
 #endif