Use gold cache for PRS decoding

openair1/PHY/INIT/nr_init.c

openair1/PHY/INIT/nr_init_ue.c

openair1/PHY/NR_REFSIG/nr_gold.c

openair1/PHY/NR_REFSIG/nr_gold_ue.c

openair1/PHY/NR_REFSIG/nr_refsig.h

openair1/PHY/NR_REFSIG/nr_refsig_common.h

openair1/PHY/NR_REFSIG/refsig.c

openair1/PHY/NR_REFSIG/refsig_defs_ue.h

openair1/PHY/NR_TRANSPORT/nr_prs.c

openair1/PHY/NR_TRANSPORT/nr_scrambling.c

openair1/PHY/NR_TRANSPORT/nr_transport_proto.h

openair1/PHY/NR_TRANSPORT/nr_uci_tools_common.c

openair1/PHY/NR_TRANSPORT/pucch_rx.c

openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c

openair1/PHY/defs_gNB.h

openair1/PHY/defs_nr_UE.h

openair1/SCHED_NR/phy_procedures_nr_gNB.c