Making sample offset as cmd line parameter

for gNB its in L1 section of config file
for UE its a cmd line paramenter

executables/nr-uesoftmodem.c

@@ -242,6 +242,7 @@ void init_tpools(uint8_t nun_dlsch_threads) {
 }
 static void get_options(void) {
 
+  nrUE_params.ofdm_offset_divisor = 8;
   paramdef_t cmdline_params[] =CMDLINE_NRUEPARAMS_DESC ;
   int numparams = sizeof(cmdline_params)/sizeof(paramdef_t);
   config_process_cmdline( cmdline_params,numparams,NULL);
@@ -325,6 +326,8 @@ void set_options(int CC_id, PHY_VARS_NR_UE *UE){
 
   LOG_I(PHY, "Set UE nb_rx_antenna %d, nb_tx_antenna %d, threequarter_fs %d\n", fp->nb_antennas_rx, fp->nb_antennas_tx, fp->threequarter_fs);
 
+  fp->ofdm_offset_divisor = nrUE_params.ofdm_offset_divisor;
+
 }
 
 void init_openair0(void) {