[coreboot-gerrit] Change in coreboot[master]: vboot: update vboot2 functions to use new vb2_error_t

[Joel Kitching (Code Review)]

Hello Aaron Durbin, Julius Werner,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/34860

to look at the new patch set (#2).

Change subject: vboot: update vboot2 functions to use new vb2_error_t
......................................................................

vboot: update vboot2 functions to use new vb2_error_t

To make explicit when vboot2 error codes should be returned,
use the new vb2_error_t type on all functions which return
VB2_ERROR_* constants.

Additionally, add required vboot submodule commit id e6700f4c:
    2019-07-31 14:12:30 +0800 - (vboot: update vboot2 functions to use new vb2_error_t)

NOTE: This patch was merged separately on the Chromium tree:
https://chromium-review.googlesource.com/c/1728499

BUG=b:124141368, chromium:988410
TEST=make clean && make test-abuild
BRANCH=none

Change-Id: I804c2b407e496d0c8eb9833be629b7c40118415c
Signed-off-by: Joel Kitching 
Cq-Depend: chromium:1728292
---
M 3rdparty/vboot
M src/security/vboot/secdata_mock.c
M src/security/vboot/secdata_tpm.c
M src/security/vboot/tpm_common.c
M src/security/vboot/tpm_common.h
M src/security/vboot/vboot_logic.c
M src/soc/rockchip/rk3288/crypto.c
7 files changed, 35 insertions(+), 30 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/34860/2