board-overlays: migrate to use feature set

BUG=b/291595249
TEST=presubmit
RELEASE_NOTE=None

Change-Id: Ie63f54c42994ae4ecb49fbad24cee6e261d1f033
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/69377
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: He Gao <hegao@google.com>
11 files changed