[ALSA] Add missing sysfs device assignment for ALSA PCI drivers

Added the missing sysfs device assignment for ALSA PCI drivers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index 9327ab2..ba7fa22 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -2312,6 +2312,8 @@
 		return err;
 	}
 
+	snd_card_set_dev(card, &pci->dev);
+
 	/* initialise synth voices*/
 	for (i = 0; i < ALI_CHANNELS; i++ ) {
 		codec->synth.voices[i].number = i;