ASoC: imx: 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.

Reported-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/imx/phycore-ac97.c b/sound/soc/imx/phycore-ac97.c
index a7deb5c..6ac1211 100644
--- a/sound/soc/imx/phycore-ac97.c
+++ b/sound/soc/imx/phycore-ac97.c
@@ -38,6 +38,7 @@
 
 static struct snd_soc_card imx_phycore = {
 	.name		= "PhyCORE-ac97-audio",
+	.owner		= THIS_MODULE,
 	.dai_link	= imx_phycore_dai_ac97,
 	.num_links	= ARRAY_SIZE(imx_phycore_dai_ac97),
 };