nr ue : frame configuration and pucch changes

openair1/PHY/NR_REFSIG/ss_pbch_nr.h

openair1/PHY/NR_UE_TRANSPORT/pss_nr.c

openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c

openair1/PHY/impl_defs_nr.h

openair1/SCHED_NR_UE/phy_frame_config_nr.c

openair1/SCHED_NR_UE/phy_frame_config_nr.h

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

openair1/SCHED_NR_UE/pucch_uci_ue_nr.c

...air1/SIMULATION/NR_UE_PHY/unit_tests/build/CMakeLists.txt

...ir1/SIMULATION/NR_UE_PHY/unit_tests/src/dummy_functions.c

...1/SIMULATION/NR_UE_PHY/unit_tests/src/frame_config_test.c

openair1/SIMULATION/NR_UE_PHY/unit_tests/src/pss_util_test.c

targets/RT/USER/nr-ue.c