vboot: remove VBSD from tests that don't need it

Also clean up a few lines setting unneeded flags and fields in
tests, and add conditionals to check for VBSD in vboot_display.c.

BUG=b:124141368, chromium:1038260
TEST=make clean && make runtests
BRANCH=none

Change-Id: I84438d00777516354529b1e6ee4d04f7947ff971
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1992856
Reviewed-by: Yu-Ping Wu <yupingso@chromium.org>
Tested-by: Joel Kitching <kitching@chromium.org>
Commit-Queue: Joel Kitching <kitching@chromium.org>
7 files changed