[L] Change in coreboot[master]: mb/google/skyrim: Add mainboard chip.h

[Jon Murphy (Code Review)]

Attention is currently required from: Jason Nien, Jon Murphy, Martin Roth.

Hello build bot (Jenkins), Jason Nien, Martin Roth,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/74609

to look at the new patch set (#4).

Change subject: mb/google/skyrim: Add mainboard chip.h
......................................................................

mb/google/skyrim: Add mainboard chip.h

Add mainboard chip.h to allow for using additional includes and
specifically net names within the devicetree.

BUG=b:278968729
TEST=builds

Change-Id: Ic609d294135e2982064cb1c1fe6eac98dc24086f
---
M src/mainboard/google/skyrim/mainboard.c
A src/mainboard/google/skyrim/variants/baseboard/chip.h
M src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
3 files changed, 274 insertions(+), 241 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/09/74609/4