[MMFMWK-7905] add fullRange to hdr10 metadata

upstream status: i.Mx specific
diff --git a/gst-libs/gst/video/gstvideohdr10meta.h b/gst-libs/gst/video/gstvideohdr10meta.h
index e47635a..5077102 100644
--- a/gst-libs/gst/video/gstvideohdr10meta.h
+++ b/gst-libs/gst/video/gstvideohdr10meta.h
@@ -44,6 +44,7 @@
   guint colourPrimaries;
   guint transferCharacteristics;
   guint matrixCoeffs;
+  guint fullRange;
   guint chromaSampleLocTypeTopField;
   guint chromaSampleLocTypeBottomField;
 };