iommu/vt-d, trivial: use defined macro instead of hardcoding

Use defined macro instead of hardcoding in function set_ioapic_sid()
for readability.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 10d3187..fdf5753 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -324,7 +324,7 @@
 		return -1;
 	}
 
-	set_irte_sid(irte, 1, 0, sid);
+	set_irte_sid(irte, SVT_VERIFY_SID_SQ, SQ_ALL_16, sid);
 
 	return 0;
 }