define KVM_CAP_DEVICE_DEASSIGNMENT and KVM_DEASSIGN_PCI_DEVICE
for device deassignment.
the ioctl has been already implemented in the
commit: 0a920356748df4fb06e86c21c23d2ed6d31d37ad
Acked-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>