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)
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