ALSA: cs5535audio: clean up OLPC code

- add copyright info to _olpc.c
 - minor layout fixes
 - make Makefile more concise
 - silence a warning

Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/cs5535audio/cs5535audio.c

@@ -174,7 +174,6 @@ static int __devinit snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
 
 	snd_ac97_tune_hardware(cs5535au->ac97, ac97_quirks, ac97_quirk);
 
-	/* olpc_quirks is dummied out if not olpc */
 	err = olpc_quirks(card, cs5535au->ac97);
 	if (err < 0) {
 		snd_printk(KERN_ERR "olpc quirks failed\n");