LAKITU: sys-kernel/linux-firmware: add Intel ICE support

This is a manual merge of a few upstream changes that are difficult to
cherry pick, due to the incremental updates to stable ebuild
configuration.

When this repository is rebased to a newer upstream version, this CL can
be discarded upon merge conflicts.

BUG=b/208831268
TEST=DDP loads at boot
RELEASE_NOTE=None

Change-Id: I080cd598e4da2d9210921139ee77a9dc832fe63f
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/chromiumos-overlay/+/30120
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
3 files changed