ASoC: davinci: 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>

sound/soc/davinci/davinci-sffsdr.c

@@ -93,6 +93,7 @@ static struct snd_soc_dai_link sffsdr_dai = {
 /* davinci-sffsdr audio machine driver */
 static struct snd_soc_card snd_soc_sffsdr = {
 	.name = "DaVinci SFFSDR",
+	.owner = THIS_MODULE,
 	.dai_link = &sffsdr_dai,
 	.num_links = 1,
 };