seabios: Update bootorder to list all USB ports

This will make seabios work on more platforms than just pixel.

BUG=chrome-os-partner:22085
BRANCH=falco,peppy
TEST=manual: build and boot from USB on falco with seabios

Change-Id: I5c178671d8ec44295cd6118d77109c356683d030
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/66543
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1 file changed