vboot: align workbuf to VB2_WORKBUF_ALIGN

Also standardize on position and spacing of __attribute__.

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

Change-Id: Ic61d6193c2413824837a51af98eb2dcd9ea4ab85
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1902843
Commit-Queue: Joel Kitching <kitching@chromium.org>
Tested-by: Joel Kitching <kitching@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
46 files changed