rfsim works

an assertion fails in gnb (need to be fixed)

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

temporary changes for nr_ulsim. To be removed when new branch with SCF NR FAPI for PUSCH is merged in.

Develop integration 2020 week 11

See merge request oai/openairinterface5g!787

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

Conflicts:
	executables/nr-softmodem.c
	executables/nr-ue.c
	executables/softmodem-common.c
	openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
	openair1/SCHED_NR/phy_procedures_nr_gNB.c
	openair1/SIMULATION/NR_PHY/dlsim.c
	openair1/SIMULATION/NR_PHY/ulsim.c
	openair2/LAYER2/NR_MAC_UE/mac_proto.h
	openair2/NR_PHY_INTERFACE/NR_IF_Module.c
	openair2/RRC/NR/MESSAGES/asn1_msg.c
	openair2/RRC/NR/MESSAGES/asn1_msg.h
	openair2/RRC/NR/nr_rrc_config.c
	openair2/RRC/NR/nr_rrc_defs.h
	openair2/RRC/NR/nr_rrc_proto.h
	openair2/RRC/NR/rrc_gNB.c

Fix for Issue #494: check and handle return value of openair0_device_load()  (develop branch)

See merge request oai/openairinterface5g!780

Fix l2 sim

See merge request oai/openairinterface5g!781

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>