n_smux: add debugfs node for printing channel states

Add debugfs node that prints detailed state information
for all smux channels.

Change-Id: I727f1c53797ee317856056b8e4d9a8686940ce0f
Signed-off-by: Brent Hronik <bhronik@codeaurora.org>
Signed-off-by: Angshuman Sarkar <angshuman@codeaurora.org>
Signed-off-by: Eric Holmberg <eholmber@codeaurora.org>
diff --git a/drivers/tty/smux_test.c b/drivers/tty/smux_test.c
index 4c255a4..a6bd63f 100644
--- a/drivers/tty/smux_test.c
+++ b/drivers/tty/smux_test.c
@@ -1961,7 +1961,7 @@
 {
 	struct dentry *dent;
 
-	dent = debugfs_create_dir("n_smux", 0);
+	dent = debugfs_create_dir("n_smux_test", 0);
 	if (IS_ERR(dent))
 		return PTR_ERR(dent);