mb/google/zork: Add v13434.57 signed verstage binaries

Add signed binaries built from version 13434.57

BUG=b:169969508
TEST=Build into verstage and see that it shows production mode.
BRANCH=Zork

Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: I55b5a72fe9c2bec4f2d8f01f72c926c5917d2ab7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/blobs/+/2461898
Tested-by: Martin Roth <martinroth@google.com>
Reviewed-by: Aaron Durbin <adurbin@google.com>
Commit-Queue: Martin Roth <martinroth@google.com>
Auto-Submit: Martin Roth <martinroth@google.com>
8 files changed