Skyrim: Add FW_CONFIG
Skyrim: Add FW_CONFIG

Add device tree entries for FW_CONFIG defined for skyrim.

BRANCH=None
BUG=b:208515128
TEST=zmake testall

Signed-off-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Change-Id: I31eed725880381a25d95037196a786f189b802f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3514505
Reviewed-by: Rob Barnes <3ced0940a2329ce70499686f01d3d60685ec66ed@google.com>
Reviewed-by: Jonathon Murphy <ef000d5e2b938b44ac60c709bf9862f8d0f6bdc2@google.com>
Commit-Queue: Jonathon Murphy <ef000d5e2b938b44ac60c709bf9862f8d0f6bdc2@google.com>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec