Update NEWS for 1.8.0.pre1

Signed-off-by: Xiang, Haihao <[email protected]>

NEWS

@@ -1,5 +1,14 @@
-libva NEWS -- summary of user visible changes.  2016-11-xx
-Copyright (C) 2009-2016 Intel Corporation
+libva NEWS -- summary of user visible changes.  2017-03-xx
+Copyright (C) 2009-2017 Intel Corporation
+
+Version 1.8.0 - DD.March.2017
+* Bump VA API version to 0.40
+* API: Change vaRenderPicture semantics that vaRenderPicture no longer deletes the passed buffer automatically.
+* API: Add VA_FOURCC_I010 for 10bit surface
+* API: Add vaSetErrorCallback and vaSetInfoCallback for error and info message.
+* va/drm: Update the support for Mesa Gallium driver
+* va/drm: Fix authentication check for /dev/dri/card0
+* Move all utilities and tests to libva-utils (https://github.com/01org/libva-utils)
 
 Version 1.7.3 - DD.Nov.2016
 * Bump VA API version to 0.39.4