[coreboot-gerrit] Patch merged into coreboot/master: d1cf44c vboot: fix vboot_reference compilation

the following patch was just integrated into master:
commit d1cf44c596ad8a1c6dd0ef8a1a205730043d5ceb
Author: Aaron Durbin 
Date:   Fri May 8 15:58:06 2015 -0500

vboot: fix vboot_reference compilation

The VB_FIRMWARE_ARCH variable was not being set correctly,
    and the VBOOT_STARTS_IN_BOOTBLOCK Kconfig option was not properly
    prefixed with CONFIG_. Correct both of these oversights.

Change-Id: Id27974c285d2629bd47b90b6a93aca1ec8a76512
    Signed-off-by: Aaron Durbin 
    Reviewed-on: http://review.coreboot.org/10152
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/10152 for details.

-gerrit