Integration branch 2022 week 39

MR !1653 NR removing semi_static structures
MR !1690 Fix PDCCH when BWPStart is higher than 0
MR !1706 AMF and NGU mode config cleanup
MR !1721 Moving targets/ARCH to sdr/
MR !1724 Updated README for l2-sim, rf-sim
MR !1725 min_rxtxtime=6 added to docs when building the RFSimulator UE
MR !1729 fix(doc): healthchecks are now embedded in CN5G images
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