update NEWS for libva-utils 2.9.0

Signed-off-by: Carl Zhang <carl.zhang@intel.com>
diff --git a/NEWS b/NEWS
index 4d1524e..6b6e5db 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,10 @@
-libva-utils NEWS -- summary of changes.  2020-06-26
+libva-utils NEWS -- summary of changes.  2020-09-11
 Copyright (C) 2009-2020 Intel Corporation
 
+Version 2.9.0 - 11.Sep.2020
+* Fix KW issues
+* Add support for csc with RGBP
+
 Version 2.8.0 - 26.Jun.2020
 * test: cast VA_STATUS_ERROR_UNKNOWN to VAStatus type
 * test/fixture: fix GCC 10.0.1 error with drmDevicePaths