Merge branch 'episys/sl-eurecom2' into episys/ea/mac_headers_validation

Following changes are made:
1) Added instructions in rfsim README.md for running
rfsimulator with updated sl_preconfiguration.conf location

openair1/SCHED_NR_UE/phy_procedures_nr_ue_sl.c

@@ -714,7 +714,6 @@ int phy_procedures_nrUE_SL_TX(PHY_VARS_NR_UE *ue,
   else if (phy_data->sl_tx_action == SL_NR_CONFIG_TYPE_TX_PSCCH_PSSCH ||
           phy_data->sl_tx_action == SL_NR_CONFIG_TYPE_TX_PSCCH_PSSCH_PSFCH) {
     LOG_D(NR_PHY, "Generating PSCCH (%d.%d) \n", frame_tx, slot_tx);
-
     phy_data->pscch_Nid = nr_generate_sci1(ue, txdataF[0], fp, AMP, slot_tx, &phy_data->nr_sl_pssch_pscch_psfch_pdu) &0xFFFF;
 
     nr_ue_ulsch_procedures(ue,0,frame_tx,slot_tx,0,phy_data,txdataF);