Integration 2021 wk08

Remi Hardyrequested to merge
integration_2021_wk08 into develop

MR1046 : Add support for NR UL SC-FDMA up to 100 MHz
MR1049 : improve rfsim
MR1053Nr : pdcp nea2 security
MR1056 : Bugfix: NR BSR calculation
MR963 : Nr mac multi rach global edge

Edited by Remi Hardy

Merge request reports