ASoC: nuc900: 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>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/nuc900/nuc900-audio.c

@@ -32,6 +32,7 @@ static struct snd_soc_dai_link nuc900evb_ac97_dai = {
 
 static struct snd_soc_card nuc900evb_audio_machine = {
 	.name		= "NUC900EVB_AC97",
+	.owner		= THIS_MODULE,
 	.dai_link	= &nuc900evb_ac97_dai,
 	.num_links	= 1,
 };