update NEWS for 2.15.0

Signed-off-by: Carl Zhang <[email protected]>

NEWS

@@ -1,6 +1,19 @@
-libva NEWS -- summary of user visible changes.  2022-02-16
+libva NEWS -- summary of user visible changes.  2022-06-28
 Copyright (C) 2009-2022 Intel Corporation
 
+version 2.15.0 - 28.Jun.2022
+* Add: new display HW attribute to report PCI ID
+* Add: sample depth related parameters for AV1e
+* Add: refresh_frame_flags for AV1e
+* Add: missing fields in va_TraceVAEncSequenceParameterBufferHEVC.
+* Add: nvidia-drm to the drm driver map
+* Add: type and buffer for delta qp per block
+* Deprecation: remove the va_fool support
+* Fix:Correct the version of meson build on master branch
+* Fix:X11 DRI2: check if device is a render node
+* Build:Use also strong stack protection if supported
+* Trace:print the string for profile/entrypoint/configattrib
+
 version 2.14.0 - 16.Feb.2022
 * add: Add av1 encode interfaces
 * add: VA/X11 VAAPI driver mapping for crocus DRI driver