Merge branch 'feature-44-dedicated-drb' into 'develop'

cmake_targets/CMakeLists.txt

cmake_targets/tools/run_enb_ue_virt_s1

maketags

openair2/COMMON/platform_types.h

openair2/COMMON/s1ap_messages_def.h

openair2/COMMON/s1ap_messages_types.h

openair2/ENB_APP/enb_app.c

openair2/LAYER2/MAC/defs.h

openair2/LAYER2/MAC/eNB_scheduler_dlsch.c

openair2/LAYER2/MAC/eNB_scheduler_ulsch.c

openair2/LAYER2/MAC/ue_procedures.c

openair2/LAYER2/PDCP_v10.1.0/pdcp.c

openair2/LAYER2/PDCP_v10.1.0/pdcp.h

openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c

openair2/LAYER2/RLC/rlc_rrc.c

openair2/RRC/LITE/L2_interface.c

openair2/RRC/LITE/MESSAGES/asn1_msg.c

openair2/RRC/LITE/defs.h

openair2/RRC/LITE/proto.h

openair2/RRC/LITE/rrc_eNB.c