ASoC: db1200: add .owner to struct snd_soc_card

Add missing .owner of struct snd_soc_card. This prevents the
module from being removed from underneath its users.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/au1x/db1200.c

@@ -73,12 +73,14 @@ static struct snd_soc_dai_link db1300_ac97_dai = {
 
 static struct snd_soc_card db1300_ac97_machine = {
 	.name		= "DB1300_AC97",
+	.owner		= THIS_MODULE,
 	.dai_link	= &db1300_ac97_dai,
 	.num_links	= 1,
 };
 
 static struct snd_soc_card db1550_ac97_machine = {
 	.name		= "DB1550_AC97",
+	.owner		= THIS_MODULE,
 	.dai_link	= &db1200_ac97_dai,
 	.num_links	= 1,
 };
@@ -145,6 +147,7 @@ static struct snd_soc_dai_link db1300_i2s_dai = {
 
 static struct snd_soc_card db1300_i2s_machine = {
 	.name		= "DB1300_I2S",
+	.owner		= THIS_MODULE,
 	.dai_link	= &db1300_i2s_dai,
 	.num_links	= 1,
 };
@@ -161,6 +164,7 @@ static struct snd_soc_dai_link db1550_i2s_dai = {
 
 static struct snd_soc_card db1550_i2s_machine = {
 	.name		= "DB1550_I2S",
+	.owner		= THIS_MODULE,
 	.dai_link	= &db1550_i2s_dai,
 	.num_links	= 1,
 };