ENDC path switch procedures: E-RAB Modification Confirm message successfully received at the eNB from the MME now

ENDC path switch procedures: Remove some IEs from E-RAB Modification Indication message which finally appear to be not mandatory

ENDC path switch procedures: Small modification at generation of E-RAB Modification Indication message

Merge branch 'NR_test_S1U_RRC_PRACH_procedures' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_test_S1U_RRC_PRACH_procedures

ENDC path switch S1-U: Bugfixes at eNB side. Problem at S1AP E-RAB-Modification-Indication message encoding to be resolved

Merge branch 'NR_test_S1U_RRC_PRACH_procedures' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_test_S1U_RRC_PRACH_procedures

ENDC path switch S1-U: Integrated S1AP E-RAB-Modification indication message at eNB, interfacing with RRC and X2AP to get proper configuration of E-RABs to be modified and GTP-U configuration at gNB

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

Conflicts:
	openair1/SCHED_NR/phy_procedures_nr_gNB.c
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c

Conflicts:
	openair1/PHY/NR_TRANSPORT/nr_dci.c
	openair1/PHY/NR_TRANSPORT/nr_prach.c
	openair1/PHY/NR_UE_TRANSPORT/nr_prach.c
	openair1/PHY/defs_nr_common.h
	openair1/SIMULATION/NR_PHY/nr_unitary_defs.h
	openair1/SIMULATION/NR_PHY/prachsim.c
	openair2/LAYER2/NR_MAC_UE/main_ue_nr.c
	openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c

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

fix for test_case_list.xml file w.r.t. nr_dlsim tests. Still a few tests failing, but .xml syntax errors are fixed

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

- using NR RACH config common from scc
- fixed return type RA preamble target power functions
- retrieving PRACH format from PRACH resources

- takes in input configuration index and TS 38.211 PRACH tables (6.3.3.2.x)
- using FAPI NR UL config request struct, derived from SCF standard for gNB