Fix incorrect format strings

In many cases format strings in vboot_reference do not match their
parameters, which causes all kind of ugly results when examining debug
output.

Enforce proper format verification.

CQ-DEPEND=CL:65396
BRANCH=pit
BUG=none
TEST=manual
   . compiled cleanly in vboot_reference, observed debug printouts
     making sense.

Change-Id: I58d5ba1f9097ef9922fbaeb7a9946aadf5eb8617
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/65394
4 files changed