Change invocation of "gbb_utility" to "futility gbb"

Replace commands using gbb_utility by the new 'gbb' futility command.

BRANCH=none
BUG=None
TEST=USE=test emerge-$BOARD vboot_reference

Change-Id: I8c1547d295a955373413482509a33964b0e0c06f
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/538442
Reviewed-by: Stefan Reinauer <reinauer@google.com>
10 files changed