Patch merged into coreboot/master: bcc1d42 vboot2: implement select_firmware for pre-romstage verification

the following patch was just integrated into master:
commit bcc1d422a2508dc54737fd941336c8cc09c51de1
Author: Daisuke Nojiri 
Date:   Thu Jun 19 19:16:24 2014 -0700

vboot2: implement select_firmware for pre-romstage verification

This patch has a basic structure of vboot2 integration. It supports only Nyans,
    which have bootblock architecture and romstage architecture are
    compatible from linker's perspective.

TEST=Built with VBOOT2_VERIFY_FIRMWARE on/off. Booted Nyan Blaze.
    BUG=None
    BRANCH=none
    Signed-off-by: Daisuke Nojiri

Original-Change-Id: I4bbd4d0452604943b376bef20ea8a258820810aa
    Original-Reviewed-on: https://chromium-review.googlesource.com/204522
    Original-Reviewed-by: Daisuke Nojiri 
    Original-Commit-Queue: Daisuke Nojiri 
    Original-Tested-by: Daisuke Nojiri 
    (cherry picked from commit a6bce0cbed34def60386f3d9aece59e739740c58)
    Signed-off-by: Marc Jones

Change-Id: I63ddfbf463c8a83120828ec8ab994f8146f90001
    Reviewed-on: http://review.coreboot.org/8160
    Reviewed-by: Stefan Reinauer 
    Tested-by: build bot (Jenkins)

See http://review.coreboot.org/8160 for details.

-gerrit