Mediated devices of model 'vfio-ccw' are using CCW addresses, so make
sure to call the correct address preparation code for the model.
Reviewed-by: NShalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: NBoris Fiuczynski <fiuczy@linux.ibm.com>
Signed-off-by: NBjoern Walk <bwalk@linux.ibm.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>