Integration 2020 wk48
MR932 : Nr sa ngap rrc wk42
MR956 : Correct use of ssb_position bitmaps
MR958 : 5G NR Downlink DMRS Type 2
MR961 : 5G NR UE TTI cleanup
MR965 : fix a segdev
Edited by Remi Hardy
MR932 : Nr sa ngap rrc wk42
MR956 : Correct use of ssb_position bitmaps
MR958 : 5G NR Downlink DMRS Type 2
MR961 : 5G NR UE TTI cleanup
MR965 : fix a segdev