Add a kconfig entry to indicate that a board has a PD chip and try to put it in RO mode before the EC during early init. BUG=chrome-os-partner:40635 BRANCH=none TEST=emerge-glados coreboot Change-Id: I170271de9b929fcb73d6b0e09171385a6d23f153 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 17e2d13261f4e35a8148039e324e22ec1da64b3c Original-Change-Id: I44eed5401beb1dc286e316cf0cc958da791580a5 Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/297747 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11571 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>