vboot_reference/futility: Support "ccd_gsc" as a servo type fragment.

For DT, servo_type reports ccd_gsc instead of ccd_cr50. Treat ccd_gsc
the same as ccd_cr50.

BUG=None
TEST=futility update --servo -i
BRANCH=None

Change-Id: I27f5ea7ccc70fd1a247b844a9929aed7a133ebb3
Signed-off-by: Sam McNally <sammc@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/3367517
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
1 file changed