Cleanup before merge

The clean up includes removing white space changes, adding logs,
adding comments to make various changes more obvious, etc.

targets/RT/USER/lte-softmodem.c

@@ -103,6 +103,7 @@ pthread_cond_t nfapi_sync_cond;
 pthread_mutex_t nfapi_sync_mutex;
 int nfapi_sync_var=-1; //!< protected by mutex \ref nfapi_sync_mutex
 
+
 uint16_t sf_ahead=4;
 
 pthread_cond_t sync_cond;

targets/RT/USER/lte-ue.c

@@ -1388,7 +1388,7 @@ static void *UE_phy_stub_standalone_pnf_task(void *arg)
 
 static void *UE_phy_stub_single_thread_rxn_txnp4(void *arg)
 {
-#if 0 // TODO: doesn't currently compile
+#if 0 // TODO: doesn't currently compile, obviated by multi-ue proxy
   thread_top_init("UE_phy_stub_thread_rxn_txnp4",1,870000L,1000000L,1000000L);
   // for multipule UE's L2-emulator
   //module_id_t Mod_id = 0;

targets/RT/USER/lte-uesoftmodem.c

@@ -121,6 +121,7 @@ uint64_t                 downlink_frequency[MAX_NUM_CCs][4];
 int32_t                  uplink_frequency_offset[MAX_NUM_CCs][4];
 
 
+
 int UE_scan = 1;
 int UE_scan_carrier = 0;
 
@@ -528,7 +529,7 @@ int restart_L1L2(module_id_t enb_id) {
 
 void init_pdcp(void) {
   uint32_t pdcp_initmask = (!IS_SOFTMODEM_NOS1) ? LINK_ENB_PDCP_TO_GTPV1U_BIT : (LINK_ENB_PDCP_TO_GTPV1U_BIT | PDCP_USE_NETLINK_BIT | LINK_ENB_PDCP_TO_IP_DRIVER_BIT);
-  // Do we need to include standalone mode here? - Andrew
+
   if (IS_SOFTMODEM_BASICSIM || IS_SOFTMODEM_RFSIM || (nfapi_getmode()==NFAPI_UE_STUB_PNF)) {
     pdcp_initmask = pdcp_initmask | UE_NAS_USE_TUN_BIT;
   }