ASoC: rsnd: Gen1 probe is not error

Probing from Gen1 is not error. This patch fixup it

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index 8d8eee6..e36c0ac 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -333,10 +333,8 @@
 	int i, nr, ret;
 
 	/* This driver doesn't support Gen1 at this point */
-	if (rsnd_is_gen1(priv)) {
-		dev_warn(dev, "CMD is not supported on Gen1\n");
-		return -EINVAL;
-	}
+	if (rsnd_is_gen1(priv))
+		return 0;
 
 	rsnd_of_parse_dvc(pdev, of_data, priv);