Syncing our OAI merge branch with our internal NSA master branch

ci-scripts/Jenkinsfile-tmp-multi-enb-nsa

ci-scripts/ran_dashboard.py

doc/BUILD.md

doc/FEATURE_SET.md

doc/TESTING_5GSA_setup.md

executables/nr-softmodem.c

executables/nr-ue.c

executables/nr-uesoftmodem.c

executables/nr-uesoftmodem.h

executables/softmodem-common.c

nfapi/open-nFAPI/nfapi/src/nfapi_p7.c

nfapi/open-nFAPI/pnf/src/pnf_p7.c

nfapi/open-nFAPI/vnf/src/vnf_interface.c

openair1/PHY/INIT/lte_init.c

openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c

openair1/PHY/NR_TRANSPORT/pucch_rx.c

openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h

openair1/PHY/NR_UE_TRANSPORT/nr_ue_rf_helpers.c

openair1/PHY/defs_nr_UE.h

openair1/SCHED_NR/nr_prach_procedures.c