bundle_firmware: Add missing gbb_flag_properties

Add complete list of GBB flags to gbb_flag_properties so that these
options can be specified in fmap.dts.

TEST=Manual on Samus. Specify gbb-flag-disable-ec-software-sync in
fmap.dts, verify that produced FW image has GBB flag 0x200 set.

Change-Id: I95062cd95deeeace6a0405ace582243a5ec50103
Reviewed-on: https://chromium-review.googlesource.com/213204
Tested-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org>
1 file changed