There are changes in upcoming board revs that need to take different action depending on board revision. Update the enumeration to reflect upcoming reality. BUG=chrome-os-partner:33578 BRANCH=None TEST=Built and booted. Change-Id: Ib51393e04d3255bbd44e5d77a2a7903109beebf4 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: de8d629678c0ae17af9f7145e04d95f43c927ee0 Original-Change-Id: I64cdeab806e7a665051f1d47bbf044413f7a1196 Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/227681 Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: http://review.coreboot.org/9407 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>