Add a parameter to load_configmodule API to allow an exec to specify that it may be run with only command line options

targets/RT/USER/lte-softmodem.c

@@ -695,7 +695,7 @@ int main( int argc, char **argv )
 #if defined (XFORMS)
   int ret;
 #endif
-  if ( load_configmodule(argc,argv) == NULL) {
+  if ( load_configmodule(argc,argv,0) == NULL) {
     exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
   } 
       

targets/RT/USER/lte-uesoftmodem.c

@@ -761,7 +761,7 @@ int main( int argc, char **argv )
 #endif
 
   start_background_system();
-  if ( load_configmodule(argc,argv) == NULL) {
+  if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == NULL) {
     exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
   } 
       
@@ -887,7 +887,7 @@ int main( int argc, char **argv )
 
 
   if (simL1flag==1) {
-    AssertFatal(NULL!=load_configmodule(argc,argv),
+    AssertFatal(NULL!=load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY),
                 "[SOFTMODEM] Error, configuration module init failed\n");
 
     RCConfig_sim();