intel_iommu: Declare registers for PRI Signed-off-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-ID: <20250901111630.1018573-5-clement.mathieu--drif@eviden.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>