Horus internal GPS: settable baudrate, misc fixes, new cmake options,… (#3736)

* Horus internal GPS: settable baudrate, misc fixes, new cmake options, cosmetics, cli

* Horus internal GPS: cmake changes, more CLI options, ability to send commands to the module

* Compilation fixes

radio/src/main_arm.cpp

@@ -467,7 +467,7 @@ void perMain()
   bluetoothWakeup();
 #endif
 
-#if INTERNAL_GPS > 0
+#if defined(INTERNAL_GPS)
   gpsWakeup();
 #endif
 }