Call software sync a second time for PD, if necessary

If a device has both an EC and a separate PD chip, call software sync
for each chip.

BUG=chrome-os-partner:30079
BRANCH=none
TEST=Flash image.bin with new AP+EC+PD firmware, reboot.
     See EC and PD both update and jump to RW.
     On next cold boot, they jump to RW without again updating.
CQ-DEPEND=CL:210520

Change-Id: Ie445336ade46f0009c040afc14b3f40452caf27b
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/210536
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2 files changed