AMD confirmed that peer-to-peer between these devices is
not possible.  We can therefore claim that they support a
subset of ACS.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Acked-by: NDonald Dutile <ddutile@redhat.com>