ASoC: pxa: 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/pxa/mioa701_wm9713.c b/sound/soc/pxa/mioa701_wm9713.c
index 0e73a7f..9c585af 100644
--- a/sound/soc/pxa/mioa701_wm9713.c
+++ b/sound/soc/pxa/mioa701_wm9713.c
@@ -181,6 +181,7 @@
 
 static struct snd_soc_card mioa701 = {
 	.name = "MioA701",
+	.owner = THIS_MODULE,
 	.dai_link = mioa701_dai,
 	.num_links = ARRAY_SIZE(mioa701_dai),
 };