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

cmake_targets/CMakeLists.txt

openair1/PHY/LTE_TRANSPORT/defs.h

openair1/PHY/LTE_TRANSPORT/dlsch_coding.c

openair1/PHY/LTE_TRANSPORT/mdci.h

openair1/PHY/LTE_TRANSPORT/proto.h

openair1/PHY/LTE_TRANSPORT/uci_tools.c

openair1/PHY/defs.h

openair1/SCHED/phy_procedures_lte_eNb.c

openair2/ENB_APP/enb_config.c

openair2/LAYER2/MAC/defs.h

openair2/LAYER2/MAC/eNB_scheduler_RA.c

openair2/LAYER2/MAC/eNB_scheduler_bch.c

openair2/LAYER2/MAC/eNB_scheduler_primitives.c

openair2/LAYER2/MAC/eNB_scheduler_ulsch.c

openair2/LAYER2/MAC/proto.h

openair2/LAYER2/MAC/rar_tools.c

targets/PROJECTS/GENERIC-LTE-EPC/CONF/rru.oaisim.conf

targets/RT/USER/lte-ru.c