scheduling of PUCCH on MAC, passing PUCCH FAPI down to PHY (to be finished), filling DCI structures according to PUCCH (to be finished)

Conflicts:
	executables/nr-ue.c

Merge branch 'NR_RRCConfiguragion_FR2' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_RRCConfiguragion_FR2

Merge branch 'NR_RRCConfiguragion_FR2' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_RRCConfiguragion_FR2

use:
     type *x = calloc(1, sizeof(*x));
everywhere to avoid bad types inside the sizeof.