ASoC: Remove redundant device name from debugfs directory

Since the core now includes deduplication in the name of CODEC
devices there's no need to add extra for the debugfs directory name.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

sound/soc/soc-core.c

@@ -234,16 +234,7 @@ static const struct file_operations codec_reg_fops = {
 
 static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
 {
-	char codec_root[128];
-
-	if (codec->dev)
-		snprintf(codec_root, sizeof(codec_root),
-			"%s.%s", codec->name, dev_name(codec->dev));
-	else
-		snprintf(codec_root, sizeof(codec_root),
-			"%s", codec->name);
-
-	codec->debugfs_codec_root = debugfs_create_dir(codec_root,
+	codec->debugfs_codec_root = debugfs_create_dir(codec->name ,
 						       debugfs_root);
 	if (!codec->debugfs_codec_root) {
 		printk(KERN_WARNING