include/drm-uapi: bump headers

Taken from drm-next :

commit 9c606cd4117a3c45e04a6616b1a0dbeb18eeee62
Merge: c5dd52f653fa 3997eea57caf
Author: Dave Airlie <airlied@redhat.com>
Date:   Thu Dec 7 06:28:22 2017 +1000

    Merge branch 'drm-next-4.16' of git://people.freedesktop.org/~agd5f/linux into drm-next

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/lib/igt_gt.h b/lib/igt_gt.h
index 48ed48a..6859241 100644
--- a/lib/igt_gt.h
+++ b/lib/igt_gt.h
@@ -27,6 +27,8 @@
 #include "igt_debugfs.h"
 #include "igt_core.h"
 
+#include "i915_drm.h"
+
 void igt_require_hang_ring(int fd, int ring);
 
 typedef struct igt_hang {
@@ -92,15 +94,6 @@
 	     (e__)->name; \
 	     (e__)++)
 
-enum drm_i915_gem_engine_class {
-	I915_ENGINE_CLASS_RENDER 	= 0,
-	I915_ENGINE_CLASS_COPY		= 1,
-	I915_ENGINE_CLASS_VIDEO		= 2,
-	I915_ENGINE_CLASS_VIDEO_ENHANCE	= 3,
-
-	I915_ENGINE_CLASS_INVALID	= -1
-};
-
 unsigned int
 gem_class_instance_to_eb_flags(int gem_fd,
 			       enum drm_i915_gem_engine_class class,