Integration branch: 2022 week 17 MR !1411: nr rlc: speedup ack/nack reception MR !1529: nr rlc: fix NR RLC AM status generation MR !1494: fix ue dlsch MR !1502: fix bugs in 4G UE sync, delete dead code MR !1534: rename frame_type structure MR !1531: NR SR fixes additionally: fixes for B210-based NSA tests, NSA-SA RRC configuration harmonization (thanks @luis_pereira87)