[ALSA] Add missing device link

Added the missing link to struct device from the card instance.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c
index 55c6c82..d255503 100644
--- a/sound/arm/pxa2xx-ac97.c
+++ b/sound/arm/pxa2xx-ac97.c
@@ -352,6 +352,7 @@
 	snprintf(card->longname, sizeof(card->longname),
 		 "%s (%s)", dev->dev.driver->name, card->mixername);
 
+	snd_card_set_dev(card, &dev->dev);
 	ret = snd_card_register(card);
 	if (ret == 0) {
 		platform_set_drvdata(dev, card);