changes in BSR handling in eNodeB. UL throughput on 5 MHz is 8 Mbit/s (mcs 19, 20 PRB). MCS 20 is not working for an unknown reason.

Merge branch 'bugfix-48-L1L2signaling' of https://gitlab.eurecom.fr/oai/openairinterface5g into bugfix-48-L1L2signaling

modifications in UE NAS to allow OAI UE to connect to. Note this is hard-coded in NAS, it will no longer work with openairCN.  To be fixed before merging into develop branch
.

Merge branch 'bugfix-48-L1L2signaling' of https://gitlab.eurecom.fr/oai/openairinterface5g into bugfix-48-L1L2signaling

fixed bug in generate_RIVtables for 20 MHz distributed VRB allocations (openair1/PHY/LTE_TRANSPORT/dci_tools.c)

Merge branch 'bugfix-48-L1L2signaling' of https://gitlab.eurecom.fr/oai/openairinterface5g into bugfix-48-L1L2signaling

Conflicts:
	openair1/SCHED/phy_procedures_lte_eNb.c
	openair2/RRC/LITE/L2_interface.c
	openair2/RRC/LITE/rrc_common.c
	openair2/RRC/LITE/rrc_eNB.c