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

openair1/PHY/INIT/lte_init.c

openair1/PHY/LTE_ESTIMATION/lte_adjust_sync.c

openair1/PHY/LTE_TRANSPORT/dci.c

openair1/PHY/LTE_TRANSPORT/dci_tools.c

openair1/PHY/LTE_TRANSPORT/proto.h

openair1/PHY/LTE_TRANSPORT/pucch.c

openair1/PHY/LTE_TRANSPORT/ulsch_demodulation.c

openair1/SCHED/phy_procedures_lte_eNb.c

openair2/LAYER2/MAC/defs.h

openair2/LAYER2/MAC/eNB_scheduler_RA.c

openair2/LAYER2/MAC/eNB_scheduler_primitives.c

openair2/LAYER2/MAC/eNB_scheduler_ulsch.c

openair2/LAYER2/MAC/extern.h

openair2/LAYER2/MAC/proto.h

openair2/PHY_INTERFACE/IF_Module.c

targets/RT/USER/lte-softmodem.c