ASoC: audio-graph: fixup graph_dai_link_of_dpcm() comment

The comment is wrong.
This patch fixup it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/87eeze67p7.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/generic/audio-graph-card.c

@@ -232,7 +232,7 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
 	if (li->cpu) {
 		int is_single_links = 0;
 
-		/* BE is dummy */
+		/* Codec is dummy */
 		codecs->of_node		= NULL;
 		codecs->dai_name	= "snd-soc-dummy-dai";
 		codecs->name		= "snd-soc-dummy";
@@ -263,7 +263,7 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
 	} else {
 		struct snd_soc_codec_conf *cconf;
 
-		/* FE is dummy */
+		/* CPU is dummy */
 		cpus->of_node		= NULL;
 		cpus->dai_name		= "snd-soc-dummy-dai";
 		cpus->name		= "snd-soc-dummy";