Revert "Verified boot wrapper - replace utility functions"

This reverts commit bd81b3a7d3b7fe4ca6179ade665e565800ab17fc.

Change-Id: I2be2c076a37bf0e49569248691fceac417254f0b
Reviewed-on: http://gerrit.chromium.org/gerrit/3295
Reviewed-by: mukesh agrawal <quiche@chromium.org>
Tested-by: mukesh agrawal <quiche@chromium.org>
15 files changed