UPSTREAM: vboot: use cbfstool truncate

Instead of a shell based parser for cbfstool print -k output.

BUG=b:65853903
BRANCH=none
CQ-DEPEND=CL:712917
TEST=`abuild -x -t GOOGLE_KEVIN -p none` creates a valid-looking image.

Change-Id: Ic67a8140c2d47645b269c4b10aa28f62977c42c0
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Original-Commit-Id: bf375e3943ada9b75083f6f162a6ccd1c6cdadbf
Original-Change-Id: I33b7e1c483a69e66e82541c09582be2a71356a10
Original-Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Original-Reviewed-on: https://review.coreboot.org/21609
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/709602
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
1 file changed