ASoC: Set missing card owner field

Set the card owner field to prevent the module from being removed from
underneath its users.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/samsung/snow.c b/sound/soc/samsung/snow.c
index 7651dc9..07ce2cf 100644
--- a/sound/soc/samsung/snow.c
+++ b/sound/soc/samsung/snow.c
@@ -56,6 +56,7 @@
 
 static struct snd_soc_card snow_snd = {
 	.name = "Snow-I2S",
+	.owner = THIS_MODULE,
 	.dai_link = snow_dai,
 	.num_links = ARRAY_SIZE(snow_dai),