Fix compilation with MULTIMODULE=NO

And allow for Spektrum telemetry to stay enabled (needed for DSMP module).

radio/src/lua/api_general.cpp

@@ -25,8 +25,6 @@
 #include "stamp.h"
 #include "lua_api.h"
 #include "api_filesystem.h"
-#include "telemetry/frsky.h"
-#include "telemetry/multi.h"
 #include "aux_serial_driver.h"
 
 #if defined(LIBOPENUI)
@@ -77,6 +75,20 @@
   #include "lua/lua_exports_nv14.inc"
 #endif
 
+#include "telemetry/frsky.h"
+
+#if defined(MULTIMODULE)
+  #include "telemetry/multi.h"
+#endif
+
+#if defined(CROSSFIRE)
+  #include "telemetry/crossfire.h"
+#endif
+
+#if defined(GHOST)
+  #include "telemetry/ghost.h"
+#endif
+
 #if defined(SIMU)
   #define RADIO_VERSION FLAVOUR "-simu"
 #else