intel_audio_dump: fix DP port width for CPT

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 333a78e..2fd414d 100644
--- a/tools/intel_audio_dump.c
+++ b/tools/intel_audio_dump.c
@@ -142,8 +142,9 @@
 static char *dp_port_width[] = {
 	[0] = "x1 mode",
 	[1] = "x2 mode",
-	[2] = "x4 mode",
-	[3] = "reserved",
+	[2] = "reserved",
+	[3] = "x4 mode",
+	[4 ... 7] = "reserved",
 };
 
 static void do_self_tests(void)