[SeaBIOS] Seabios can only detect one disk when two disks are attached to one scsi controller

[Gerd Hoffmann]

  Hi,

> <address type='drive' controller='0' bus='0' target='0' unit='0'/>
> <address type='drive' controller='0' bus='0' target='0' unit='1'/>

Fixed in master branch (added lun support), no release yet with that.

For released versions you can use "target='1' unit='0'" as address, so
the disk is attached as separate target not as lun.

cheers,
  Gerd