[ALSA] vxpocket - Fix a typo

Fix a typo of return value from vxpocket_config().
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pcmcia/vx/vxpocket.c

@@ -261,7 +261,7 @@ static int vxpocket_config(struct pcmcia_device *link)
 
 	link->dev_node = &vxp->node;
 	kfree(parse);
-	return 9;
+	return 0;
 
 cs_failed:
 	cs_error(link, last_fn, last_ret);