add option in build_oai script to build all optional libraries

targets/RT/USER/lte-uesoftmodem.c

@@ -323,12 +323,10 @@ static void get_options(void) {
   int CC_id;
   int tddflag;
   char *loopfile=NULL;
-
   int dumpframe=0;
   int timingadv;
   uint8_t nfapi_mode;
   int simL1flag ;
-
   set_default_frame_parms(frame_parms);
   CONFIG_SETRTFLAG(CONFIG_NOEXITONHELP);
   /* unknown parameters on command line will be checked in main
@@ -616,7 +614,7 @@ int main( int argc, char **argv ) {
   if (config_mod == NULL) {
     exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
   }
- 
+
   mode = normal_txrx;
   memset(&openair0_cfg[0],0,sizeof(openair0_config_t)*MAX_CARDS);
   set_latency_target();