Merge branch 'RU-RAU-split' of https://gitlab.eurecom.fr/oai/openairinterface5g into nfapi-ru-rau-split

Conflicts:
	openair2/RRC/LITE/L2_interface.c
	targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210.conf