Merge branch 'NR_SA_F1AP_5GRECORDS' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_SA_F1AP_5GRECORDS

-Apply patch from Fujitsu
-Trigger dedicated RRC Reconfiguration with DRB and SRB2 configuration once the PDU session is established
-Validation of control plane sequence with OAI CN and Nokia SA Box

CU/DU support for most recent changes. UE continues as far as in monolithic mode. Still to apply masterCellGroupConfig in DU from RRCReconfiguration. This has to be detected in DU and applied after decoding the RRC message intended for UE.

handling of SDAP header, move RAR to slot last DL slot in TDD period (need change in configuration file)

Conflicts:
	executables/nr-ru.c
	openair1/SCHED_NR/phy_procedures_nr_gNB.c
	openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c

changes in gtpu interface for testing, small changes in L1 for PUSCH signal/noise measurements. SRB2 interfaces.

Merge branch 'NR_SA_F1AP_5GRECORDS' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_SA_F1AP_5GRECORDS

Merge branch 'NR_SA_F1AP_5GRECORDS' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_SA_F1AP_5GRECORDS

Merge branch 'NR_SA_F1AP_5GRECORDS' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_SA_F1AP_5GRECORDS

Include second RRC Reconfiguration message to carry DRB, SRB2 configuration and NAS PDU Session Establishment Accept message

-Remove DRB and SRB configuration from the first RRC Reconfiguration message. Missing radio configuration to be filled in first RRC Reconfiguration message.

CMAC_Init has to be called between each usage of the cmac context.

Merge branch 'NR_SA_F1AP_5GRECORDS' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_SA_F1AP_5GRECORDS

Merge branch 'NR_SA_F1AP_5GRECORDS' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_SA_F1AP_5GRECORDS

Conflicts:
	openair1/PHY/NR_TRANSPORT/pucch_rx.c
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c

- use bearer-1 in compute_t of integrity NIA2
- compare integrity at the right place in nr_pdcp_entity_recv_pdu
- proper handling of security parameters settings (algos, keys)

Modify configuration of NGAP and NAS messages to comply with OAI CN configuration according to Fujitsu patch

-Hardcodings to be removed later when the NAS extensions will be integrated for OAI UE

Merge branch 'NR_SA_F1AP_5GRECORDS' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_SA_F1AP_5GRECORDS

This commit implements integrity and security settings for nr pdcp. It will
only work for SRBs.

This commit has not been tested. It may fail to work completely. To be checked.