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>
diff --git a/sound/soc/ep93xx/simone.c b/sound/soc/ep93xx/simone.c
index 1e00b33..dd99709 100644
--- a/sound/soc/ep93xx/simone.c
+++ b/sound/soc/ep93xx/simone.c
@@ -34,6 +34,7 @@
 
 static struct snd_soc_card snd_soc_simone = {
 	.name		= "Sim.One",
+	.owner		= THIS_MODULE,
 	.dai_link	= &simone_dai,
 	.num_links	= 1,
 };