further improvements

executables/nr-gnb.c

openair1/PHY/INIT/nr_init.c

openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c

openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h

openair1/PHY/NR_TRANSPORT/nr_dlsch.c

openair1/PHY/NR_TRANSPORT/nr_dlsch.h

openair1/PHY/NR_TRANSPORT/nr_transport_proto.h

openair1/PHY/NR_TRANSPORT/nr_ulsch.c

openair1/PHY/NR_TRANSPORT/nr_ulsch.h

openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c

openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c

openair1/PHY/defs_gNB.h

openair1/SCHED_NR/phy_procedures_nr_gNB.c

openair1/SIMULATION/NR_PHY/dlsim.c

openair1/SIMULATION/NR_PHY/ulsim.c