adding prb 32 for timing advance calculation

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -314,7 +314,8 @@ void nr_fill_indication(PHY_VARS_gNB *gNB, int frame, int slot_rx, int ULSCH_id,
     case 245: timing_advance_update /= 32; break;
     case 273: timing_advance_update /= 32; break;
     case 66:  timing_advance_update /= 12; break;
-    default: abort();
+    case 32:  timing_advance_update /= 12; break;
+    default: AssertFatal(0==1,"No case defined for PRB %d to calculate timing_advance_update\n",gNB->frame_parms.N_RB_DL);
   }
 
   // put timing advance command in 0..63 range