Patch merged into coreboot/master: 6f5b18c vboot: remove vboot_helper.c

the following patch was just integrated into master:
commit 6f5b18c03b9fb1803013b535dfc20132c3a27f95
Author: Aaron Durbin 
Date:   Wed Apr 22 10:50:34 2015 -0500

vboot: remove vboot_helper.c

This file was moved previously to get it out of the way
    for easier merging from the chromium repo. It's not used
    currently so remove it.

Change-Id: I8e691623f29ac2218b83bc46f5b4a348e0e1b3ef
    Signed-off-by: Aaron Durbin 
    Reviewed-on: http://review.coreboot.org/9960
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi 
    Reviewed-by: Paul Menzel

See http://review.coreboot.org/9960 for details.

-gerrit