[coreboot-gerrit] Patch merged into coreboot/master: 3rdparty/vboot: update to current master

the following patch was just integrated into master:
commit 43e6d6a1247768bbf5c42664c1bdb7d478f05808
Author: Patrick Georgi 
Date:   Wed Feb 3 16:53:08 2016 +0100

3rdparty/vboot: update to current master

It provides a few extensions to the API that are required, such as
    vb2api_check_hash_get_digest()

Change-Id: Ib4d8bdc29751f51f0f7532376175490a0ffd84b3
    Signed-off-by: Patrick Georgi 
    Reviewed-on: https://review.coreboot.org/13590
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See https://review.coreboot.org/13590 for details.

-gerrit