[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/riptide/riptide.c b/sound/pci/riptide/riptide.c
index 5e1d5d2..952625d 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -1919,6 +1919,8 @@
 		return err;
 	}
 
+	snd_card_set_dev(card, &pci->dev);
+
 	*rchip = chip;
 	return 0;
 }