qemu-kvm: Remove extboot support
Except for booting from SCSI via the LSI controller, SeaBIOS has native
support for mass storage interfaces now. And SCSI can be worked around
via [1] - or someone finally adds the necessary bits to SeaBIOS if there
is a real need.
[1] http://thread.gmane.org/gmane.comp.emulators.qemu/78467
- Keep boot option to avoid breaking scripts (mtosatti)
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>