Update submodules to 2.20

Added Release Notes and final bug fixes Issue-Ref: 4167 Signed-off-by: Andreas Bayha <bayha@fortiss.org>

Update submodules to 2.20
1872e38b · Andreas Bayha · fd2f54f7 · 7ce91141 · 4d6788c0 · 7ce91141
Commit 1872e38b authored 3 years ago by Andreas Bayha
--- a/af3 @ 7ce91141
+++ b/af3 @ 7ce91141
-Subproject commit 4d6788c0d6a47e0c7a322e2edc01b133f5bafa7e
+Subproject commit 7ce91141dbfca73ca8fbb14fbdd5795d59057954
--- a/af3-rcp @ e3c93e97
+++ b/af3-rcp @ e3c93e97
-Subproject commit da782ab91aef457cff52e96edc22117b01d8efac
+Subproject commit e3c93e9737cd18214a99272458c579f90804f615
--- a/kernel @ dea2c2dc
+++ b/kernel @ dea2c2dc
-Subproject commit 48cc9d15708ad456185b50f133ff31b2a96dd64b
+Subproject commit dea2c2dc06320f145572c08f601068ab524b13e8
--- a/af3 @ aa6e8abe
+++ b/af3 @ aa6e8abe
-Subproject commit 359f18c14006e2626b498053fa853dab19d77fdd
+Subproject commit aa6e8abe1655590a36013aa089a764a713d5c053