vboot: fix up some headers, includes, comments, spacing

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

Change-Id: Id97f544da845f7070555e5e8cc6e782b2d45c300
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1758151
Tested-by: Joel Kitching <kitching@chromium.org>
Reviewed-by: Joel Kitching <kitching@chromium.org>
Commit-Queue: Joel Kitching <kitching@chromium.org>
116 files changed