Solarflare confirms that these devices do not allow peer-to-peer between
functions.  Quirk them to allow IOMMU grouping to expose this isolation.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Acked-by: NRobert Stonehouse <rstonehouse@solarflare.com>