VA/X11: VAAPI driver mapping for iris DRI driver

Fixes #396

Signed-off-by: U. Artie Eoff <ullysses.a.eoff@intel.com>
diff --git a/va/x11/va_x11.c b/va/x11/va_x11.c
index 3b88a62..cb23168 100644
--- a/va/x11/va_x11.c
+++ b/va/x11/va_x11.c
@@ -53,6 +53,8 @@
 static const struct driver_name_map g_dri2_driver_name_map[] = {
     { "i965",       4, "iHD"    }, // Intel iHD  VAAPI driver with i965 DRI driver
     { "i965",       4, "i965"   }, // Intel i965 VAAPI driver with i965 DRI driver
+    { "iris",       4, "iHD"    }, // Intel iHD  VAAPI driver with iris DRI driver
+    { "iris",       4, "i965"   }, // Intel i965 VAAPI driver with iris DRI driver
     { NULL,         0, NULL }
 };