va: enable the H264 encoder.

21 jobs for !1051 with gst-plugins-bad-encoder_h264 in 34 seconds (queued for 1 second)
merge request
Name Stage Failure
failed
gst indent Preparation
+    ,
+ {VAConfigAttribRTFormat,}
+ ,
};

VADisplay dpy;

VAStatus status;

style diverges, please run gst-indent first
Cleaning up file based variables
ERROR: Job failed: exit code 1