commit 8e301472e324b6d6496d8b4ffc66863e99d7a505

user visible changes in seabios:
  * ahci is enabled by default (and thus in this build).
  * bootorder support for ahci.
  * two-pass pci allocator (orders bars by size for better packing).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>