firmware: Stop using vboot1 cparams internally

Now that vb2_shared_data / vb2_context provides all the same data to
lower-level kernel verification code that cparams did, stop passing
cparams down to those functions.

No change in functionality.

BUG=chromium:611535
BRANCH=none
TEST=make -j runtests; build bob firmware and boot it

Change-Id: I86eb1801ee96d8b56404b74843a8d09e3122567f
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/852814
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
18 files changed