fix rfsim ue initial sync and legacy OAI C struct syntax

cmake_targets/CMakeLists.txt

common/config/config_userapi.c

common/utils/minimal_stub.c

common/utils/simple_executable.h

openair1/PHY/defs_eNB.h

openair1/PHY/impl_defs_lte_NB_IoT.h

openair1/PHY/impl_defs_top.h

openair2/LAYER2/MAC/config.c

openair2/LAYER2/MAC/eNB_scheduler.c

openair2/LAYER2/MAC/eNB_scheduler_dlsch.c

openair2/LAYER2/MAC/eNB_scheduler_fairRR.c

openair2/LAYER2/MAC/eNB_scheduler_phytest.c

openair2/LAYER2/MAC/eNB_scheduler_primitives.c

openair2/LAYER2/MAC/eNB_scheduler_ulsch.c

openair2/LAYER2/MAC/mac.h

openair2/LAYER2/MAC/mac_proto.h

openair2/LAYER2/MAC/pre_processor.c

openair2/RRC/LTE/rrc_eNB.c

targets/ARCH/COMMON/common_lib.c

targets/ARCH/COMMON/common_lib.h