intel_audio_dump: show Gamut Metadata DIP

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/tools/intel_audio_dump.c b/tools/intel_audio_dump.c
index 65bc04e..95673fd 100644
--- a/tools/intel_audio_dump.c
+++ b/tools/intel_audio_dump.c
@@ -112,7 +112,7 @@
 static char *video_dip_index[] = {
 	[0] = "AVI DIP",
 	[1] = "Vendor-specific DIP",
-	[2] = "Reserved",
+	[2] = "Gamut Metadata DIP",
 	[3] = "Source Product Description DIP",
 };