Fixup: correctly calculate UL slot in phytest preprocessor

Correctly calculates the slot for multiple TDD periods.

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c

@@ -401,8 +401,8 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id,
               tda,
               tdaList->list.count);
   int K2 = get_K2(sched_ctrl->active_ubwp, tda, mu);
-  const int sched_frame = frame + (slot + K2 >= num_slots_per_tdd);
-  const int sched_slot = (slot + K2) % num_slots_per_tdd;
+  const int sched_frame = frame + (slot + K2 >= nr_slots_per_frame[mu]);
+  const int sched_slot = (slot + K2) % nr_slots_per_frame[mu];
   /* check if slot is UL, and that slot is 8 (assuming K2=6 because of UE
    * limitations).  Note that if K2 or the TDD configuration is changed, below
    * conditions might exclude each other and never be true */