PCI: Add DMA alias quirk for mic_x200_dma

The MIC x200 NTB forwards DMA transactions upstream using multiple alien
RIDs.  These RIDs have to be added as aliases to the DMA device to allow
buffer access when the IOMMU is enabled.

Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>