board: Add krane board which re-uses the kukui directory

Add krane board for the krane build target. We need this setting
because we use the 'google,krane' to match the dts.

BRANCH=None
BUG=b:130011505
TEST=build ec/bios and test on DUT.

Change-Id: Ifba9b83fe0d669f0575abc7d08f3fea3248c8990
Signed-off-by: Zhuohao Lee <zhuohao@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1565650
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
1 file changed