ALSA: au88x0: clipping ceiling loop wrong in comment

As is the clipping ceiling loop appears wrong anyways
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>

sound/pci/au88x0/au88x0_core.c

@@ -427,7 +427,7 @@ static void vortex_mixer_init(vortex_t * vortex)
 
 	/* Set clipping ceiling (this may be all wrong). */
 	/*
-	for (x = 0; x > 0x80; x++) {
+	for (x = 0; x < 0x80; x++) {
 		hwwrite(vortex->mmio, VORTEX_MIXER_CLIP + (x << 2), 0x3ffff);
 	}
 	*/