Patch merged into coreboot/master: vboot2: consolidate vboot2 buffer initialization

the following patch was just integrated into master:
commit aabfe05bff804053cbd921961919df267bc4e39a
Author: Patrick Georgi 
Date:   Mon Jun 29 22:24:34 2015 +0200

vboot2: consolidate vboot2 buffer initialization

Instead of calling the init function to clear out vboot2 data structures in
    multiple places, move the function and call close to verstage_main().

Change-Id: If42e18a8e4581f22f7a7aced70ccbe3188bb0cd5
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/10701
    Reviewed-by: Stefan Reinauer 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See http://review.coreboot.org/10701 for details.

-gerrit