Merge branch 'NR_RRC_PRACH_procedures' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_RRC_PRACH_procedures

Conflicts:
	openair1/PHY/NR_TRANSPORT/nr_transport_proto.h
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c