sarien: Enable PD firmware update

Enable TI PD firmware update using the CBFS file named "pdrw.bin"
and "pdrw.hash".

BUG=b:123224590
BRANCH=none
TEST=using two differenet PD FW versions test updating multiple times
and ensure that the process is successful.

Change-Id: If9c7deb9cf06e44eb19d08260f02cb832edfa9de
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1538902
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
1 file changed