Merge remote-tracking branch 'remotes/kraxel/tags/seabios-20211022-pull-request'...

seabios: update to master branch snapshot.

# gpg: Signature made Fri 22 Oct 2021 05:14:00 AM PDT
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]

* remotes/kraxel/tags/seabios-20211022-pull-request:
  update seabios binaries
  update seabios to master branch snapshot

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>