start fixing parallel threads

common/utils/LOG/log.c

nfapi/oai_integration/nfapi_vnf.c

openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c

openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c

openair1/PHY/defs_common.h

openair1/PHY/defs_eNB.h

openair1/SCHED/phy_procedures_lte_eNb.c

openair1/SIMULATION/LTE_PHY/common_sim.h

openair1/SIMULATION/LTE_PHY/dlsim.c

openair1/SIMULATION/LTE_PHY/ulsim.c

targets/RT/USER/lte-enb.c

targets/RT/USER/lte-softmodem.c

targets/RT/USER/lte-uesoftmodem.c