genvif: Add support for Alt_Mode_Adapter field
genvif: Add support for Alt_Mode_Adapter field

Type_C_Is_Alt_Mode_Adapter now a required field (since rev 3.17).

BRANCH=none
BUG=b:217284675
TEST=buildall passes

Change-Id: I46698fb6bc5ebfb2c3a804b505077349c5f8341f
Signed-off-by: Caveh Jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3454863
Reviewed-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec