vboot kernel tests: Refactored vendor-data-specific tests

No additional features added, simply moved tests relating to setting
vendor data to a separate function

BUG=b:138812835
BRANCH=none
TEST=Run 'FEATURES=test emerge-drallion vboot_reference' and
verify tests run

Change-Id: Ib9c1d32a4cd149c0e5eb464b7f9b4b17839c42d3
Signed-off-by: Pranay Shoroff <pshoroff@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1999043
Reviewed-by: Joel Kitching <kitching@chromium.org>
1 file changed