Request EC reboot to RO via return code rather than function (vboot portion)

This gives the AP a chance to save NvStorage data first.

BUG=chrome-os-partner:11087
TEST=none yet; API isn't used yet

Change-Id: Iae7a24958fb076039795b92d9edb73d7e6ebfc6f
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27525
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
1 file changed