mb/google/guybrush: Update signed PSP verstage blobs

Some GPIOs have been shuffled around including the ones used in PSP
verstage. So push the updated signed PSP verstage.

BUG=b:204483437, b:202992077
TEST=Build and boot to OS in Guybrush and Nipperkin. Ensure that the PSP
is in Production mode.
localhost ~ # cbmem -1 | grep -i "psp boot"
PSP boot mode: Production

Change-Id: I01565d447516f8080ab28287ad75829876089142
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/blobs/+/3252920
Tested-by: Karthikeyan Ramasubramanian <kramasub@chromium.org>
Reviewed-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
Commit-Queue: Karthikeyan Ramasubramanian <kramasub@chromium.org>
3 files changed