Correct gNB received PHR to headroom calculation according to 38.133.

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c

@@ -313,10 +313,13 @@ static int nr_process_mac_pdu(instance_t module_idP,
         int PH;
         const int PCMAX = phr->PCMAX;
         /* 38.133 Table10.1.17.1-1 */
-        if (phr->PH < 55)
+        if (phr->PH < 55) {
           PH = phr->PH - 32;
-        else
-          PH = phr->PH - 32 + (phr->PH - 54);
+        } else if (phr->PH < 63) {
+          PH = 28 + (phr->PH - 55) * 2;
+        } else {
+          PH = 42;
+        }
         // in sched_ctrl we set normalized PH wrt MCS and PRBs
         long *deltaMCS = ul_bwp->pusch_Config ? ul_bwp->pusch_Config->pusch_PowerControl->deltaMCS : NULL;
         sched_ctrl->ph = PH