ASoC: ep93xx: 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/ep93xx/edb93xx.c

@@ -75,6 +75,7 @@ static struct snd_soc_dai_link edb93xx_dai = {
 
 static struct snd_soc_card snd_soc_edb93xx = {
 	.name		= "EDB93XX",
+	.owner		= THIS_MODULE,
 	.dai_link	= &edb93xx_dai,
 	.num_links	= 1,
 };

sound/soc/ep93xx/simone.c

@@ -34,6 +34,7 @@ static struct snd_soc_dai_link simone_dai = {
 
 static struct snd_soc_card snd_soc_simone = {
 	.name		= "Sim.One",
+	.owner		= THIS_MODULE,
 	.dai_link	= &simone_dai,
 	.num_links	= 1,
 };

sound/soc/ep93xx/snappercl15.c

@@ -93,6 +93,7 @@ static struct snd_soc_dai_link snappercl15_dai = {
 
 static struct snd_soc_card snd_soc_snappercl15 = {
 	.name		= "Snapper CL15",
+	.owner		= THIS_MODULE,
 	.dai_link	= &snappercl15_dai,
 	.num_links	= 1,
 };