added queues between VNF and MAC to handle indications.

ci-scripts/conf_files/nr-ue.nfapi.conf

ci-scripts/conf_files/ue.nfapi.conf

cmake_targets/CMakeLists.txt

executables/nr-gnb.c

executables/nr-ue.c

nfapi/oai_integration/nfapi_vnf.c

nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h

openair1/SCHED_NR/phy_procedures_nr_gNB.c

openair1/SCHED_NR_UE/fapi_nr_ue_l1.c

openair2/LAYER2/NR_MAC_UE/config_ue.c

openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

openair2/LAYER2/NR_MAC_gNB/config.c

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c

openair2/NR_PHY_INTERFACE/NR_IF_Module.c

openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c