ASoC: blackfin: Add .owner to struct snd_soc_card

Missed .owner of struct snd_soc_card will prevent the module from being
removed from underneath its users.

Reported-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/blackfin/bfin-eval-adav80x.c b/sound/soc/blackfin/bfin-eval-adav80x.c
index 0bc995f..4ef079f 100644
--- a/sound/soc/blackfin/bfin-eval-adav80x.c
+++ b/sound/soc/blackfin/bfin-eval-adav80x.c
@@ -93,6 +93,7 @@
 
 static struct snd_soc_card bfin_eval_adav80x = {
 	.name = "bfin-eval-adav80x",
+	.owner = THIS_MODULE,
 	.dai_link = bfin_eval_adav80x_dais,
 	.num_links = ARRAY_SIZE(bfin_eval_adav80x_dais),