Merge remote-tracking branch 'remotes/kraxel/tags/pull-roms-3' into staging

seabios: update to 1.7.5 final

# gpg: Signature made Mon 02 Jun 2014 15:49:59 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-roms-3:
  seabios: update to 1.7.5 final
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

seabios @ e51488c5

-Subproject commit b1d4dc908401719c5de78c25313cf82c7cd1d602
+Subproject commit e51488c5f8800a52ac5c8da7a31b85cca5cc95d2