ASoC: wm8727: add a missing return in wm8727_platform_probe

otherwise the error path will always be executed.

Signed-off-by: Axel Lin <[e-mail]>
Acked-by: Liam Girdwood <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/codecs/wm8727.c

···
 		goto err_codec;
 	}
 
+	return 0;
+
 err_codec:
 	snd_soc_unregister_codec(codec);
 err: