Fix max_sched_ues in DL/UL Scheduler to match MAX_DCI_CORESET

- Added the limit as MAX_DCI_CORESET for max_sched_ues in DL/UL scheduler.
This is needed because gNB crashes when tested with 100MHz cell as the
scheduler tries to schedule 11 UEs in a slot and the DCI informaiton is
corrupted due to the limitation in NFAPI interface because of
MAX_DCI_CORESET size.

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c

@@ -875,6 +875,9 @@ static void nr_fr1_dlsch_preprocessor(module_id_t module_id, frame_t frame, sub_
   int average_agg_level = 4; // TODO find a better estimation
   int max_sched_ues = bw / (average_agg_level * NR_NB_REG_PER_CCE);
 
+  // FAPI cannot handle more than MAX_DCI_CORESET DCIs
+  max_sched_ues = min(max_sched_ues, MAX_DCI_CORESET);
+
   /* proportional fair scheduling algorithm */
   pf_dl(module_id,
         frame,

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c

@@ -2028,6 +2028,9 @@ static bool nr_fr1_ulsch_preprocessor(module_id_t module_id, frame_t frame, sub_
   int average_agg_level = 4; // TODO find a better estimation
   int max_sched_ues = bw / (average_agg_level * NR_NB_REG_PER_CCE);
 
+  // FAPI cannot handle more than MAX_DCI_CORESET DCIs
+  max_sched_ues = min(max_sched_ues, MAX_DCI_CORESET);
+
   /* proportional fair scheduling algorithm */
   pf_ul(module_id,
         frame,