am 024e103b: am 314a12db: am 2c015353: Merge "docs: SDK r18 + 4.0.4 system image Release Notes (RC1)" into ics-mr1

* commit '024e103b22cebbce985134ce20d222e645c67b8d':
  docs: SDK r18 + 4.0.4 system image Release Notes (RC1)