drm/i915: Update DRIVER_DATE to 20160620

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 6c1540d..de4bf36 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -68,7 +68,7 @@
 
 #define DRIVER_NAME		"i915"
 #define DRIVER_DESC		"Intel Graphics"
-#define DRIVER_DATE		"20160606"
+#define DRIVER_DATE		"20160620"
 
 #undef WARN_ON
 /* Many gcc seem to no see through this and fall over :( */