ASoC: twl6040: Correct supported number of playback channels

twl6040 supports 5 playback, and 2 capture channels

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/twl6040.c

@@ -1399,7 +1399,7 @@ static struct snd_soc_dai_driver twl6040_dai[] = {
 	.playback = {
 		.stream_name = "Playback",
 		.channels_min = 1,
-		.channels_max = 2,
+		.channels_max = 5,
 		.rates = TWL6040_RATES,
 		.formats = TWL6040_FORMATS,
 	},