iommu/vt-d: Wire up iommu_ops->def_domain_type

The Intel VT-d driver already has a matching function to determine the
default domain type for a device. Wire it up in intel_iommu_ops.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20200429133712.31431-5-joro@8bytes.org


Signed-off-by: Joerg Roedel <jroedel@suse.de>