vendorcode/siemens: Add extended info block support to hwilib

Add support for a fourth info block type to hwilib. This block
provides new values and is now variable in length.

Change-Id: Ia928b4a98b806ba3e80fb576b78f60bb8f2ea3fc
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/15478
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2 files changed