ASoC: rsnd: rename RSND_DVC_CHANNELS to RSND_MAX_CHANNELS

The channels number is not only for DVC. Let's rename it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/rsnd.h

@@ -550,10 +550,10 @@ struct rsnd_kctrl_cfg {
 	struct snd_kcontrol *kctrl;
 };
 
-#define RSND_DVC_CHANNELS	8
+#define RSND_MAX_CHANNELS	8
 struct rsnd_kctrl_cfg_m {
 	struct rsnd_kctrl_cfg cfg;
-	u32 val[RSND_DVC_CHANNELS];
+	u32 val[RSND_MAX_CHANNELS];
 };
 
 struct rsnd_kctrl_cfg_s {