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>

sound/soc/blackfin/bfin-eval-adau1x61.c

@@ -108,6 +108,7 @@ static struct snd_soc_dai_link bfin_eval_adau1x61_dai = {
 
 static struct snd_soc_card bfin_eval_adau1x61 = {
 	.name = "bfin-eval-adau1x61",
+	.owner = THIS_MODULE,
 	.driver_name = "eval-adau1x61",
 	.dai_link = &bfin_eval_adau1x61_dai,
 	.num_links = 1,