pc-bios/s390-ccw.img: update image

Contains the following commit:
- pc-bios/s390-ccw: Fix problem with invalid virtio-scsi LUN when rebooting

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
diff --git a/pc-bios/s390-ccw.img b/pc-bios/s390-ccw.img
index 75b604e..7415f1a 100644
--- a/pc-bios/s390-ccw.img
+++ b/pc-bios/s390-ccw.img
Binary files differ