merge develop; add option to set affinity in UE

cmake_targets/CMakeLists.txt

cmake_targets/autotests/v2/actions/execution_compile.bash

cmake_targets/build_oai

cmake_targets/tools/build_helper

openair1/PHY/LTE_TRANSPORT/dci_tools.c

openair1/PHY/LTE_TRANSPORT/if4_tools.c

openair1/PHY/LTE_TRANSPORT/prach.c

openair1/PHY/LTE_TRANSPORT/ulsch_modulation.c

openair1/PHY/defs.h

openair1/SCHED/phy_mac_stub.c

openair1/SCHED/phy_procedures_lte_eNb.c

openair1/SCHED/phy_procedures_lte_ue.c

openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac.c

openair2/ENB_APP/MESSAGES/V2/stats_common.proto

openair2/ENB_APP/enb_config.c

openair2/ENB_APP/flexran_agent_common.c

openair2/ENB_APP/flexran_agent_common.h

openair2/ENB_APP/flexran_agent_extern.h

openair2/ENB_APP/flexran_agent_handler.c

openair2/LAYER2/MAC/defs.h