veyron: move setup_chromeos_gpios() prototype to board.h

I always had that TODO comment in there but I had already forgotten what
I even meant by it. It's really just a simple cleanup... this function
is (currently) veyron-specific and doesn't belong in common code.

BRANCH=veyron
BUG=None
TEST=Booted Jerry.

Change-Id: Iccd6130c90e67b8ee905e188857c99deda966f14
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: d188398704575ad2fedc2a715e609521da2332b0
Original-Change-Id: I6ce701a15a6542a615d3d81f70aa71662567d4fa
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/241190
Reviewed-on: http://review.coreboot.org/9733
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
8 files changed