ASoC: rsnd: use rsnd_mod_init() for ADG

Current ADG doesn't use rsnd_mod_init(), but this limitation is no
longer necessary. Let's use common rsnd_mod_init()

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

sound/soc/sh/rcar/adg.c

@@ -518,13 +518,8 @@ int rsnd_adg_probe(struct rsnd_priv *priv)
 		return -ENOMEM;
 	}
 
-	/*
-	 * ADG is special module.
-	 * Use ADG mod without rsnd_mod_init() to make debug easy
-	 * for rsnd_write/rsnd_read
-	 */
-	adg->mod.ops = &adg_ops;
-	adg->mod.priv = priv;
+	rsnd_mod_init(priv, &adg->mod, &adg_ops,
+		      NULL, 0, 0);
 
 	rsnd_adg_get_clkin(priv, adg);
 	rsnd_adg_get_clkout(priv, adg);