This removes a bunch of unnecessary typecasts, since you can assign
to/from void * without them. This also uncovered a few cases where
const was being cast away for the input params; now fixed.
BUG=none
TEST=mkbp hash from u-boot console, and/or system boots ok
Change-Id: Ic314b9d2ca06226ea8a09703ef5c1a912eb7146d
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28500