chromebooks: Define GBB hardware IDs

This makes the test IDs the default, taken from depthcharge
master (board/*/fmap.dts, hwid property).

Change-Id: I25793962ac16f451f204dbba6ede6a64c847cfd5
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/13634
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins)
39 files changed