Allow bmpblk to build vendor specific firmware strings

This allows for vendor specific strings which can be translated to be
shown in firmware without adding those strings to firmware where they
are not needed.

BUG=b:124297157
TEST=Was able to build and display vendor strings on a Arcada device

Change-Id: Id460446268743ad224dd107dbb69de90b6000b58
Reviewed-on: https://chromium-review.googlesource.com/1475238
Commit-Ready: Mathew King <mathewk@chromium.org>
Tested-by: Mathew King <mathewk@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Mathew King <mathewk@chromium.org>
1 file changed