verity: clean up list of supported algos

Even though the help text says we support a lot of algos, they're all
a lie!  We only register md5/sha1/sha256 internally which means all
other values get rejected.

BUG=chromium:878440
TEST=build works

Change-Id: Icb19022311193c722345ba69ae4df16e81d50f6c
Reviewed-on: https://chromium-review.googlesource.com/1201045
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
1 file changed