kunimitsu: Clean up devicetree.cb

kunimitsu: Clean up devicetree.cb

Fix the PCI device list comments to be consistent between
mainboards and remove unused and incorrect register settings.

BUG=chrome-os-partner:40635
BRANCH=none
TEST=emerge-kunimitsu coreboot

Change-Id: Ib1c0eb80c57661502a4d4cfb4622a34effaa1c4a
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 17c4f0d306194e7086f39f7ab560841999c318d8
Original-Change-Id: Ia1c138e52cbc3e81c0d12aa97d7f564e723d61f9
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/297339
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11562
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>