ASoC: twl6040: Add back missing write callback

We need to have the write callback to use the code.

Fixes: 7480389f ("ASoC: twl6040: replace codec to component")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/twl6040.c

@@ -1157,6 +1157,7 @@ static const struct snd_soc_component_driver soc_component_dev_twl6040 = {
 	.probe			= twl6040_probe,
 	.remove			= twl6040_remove,
 	.read			= twl6040_read,
+	.write			= twl6040_write,
 	.remove			= twl6040_remove,
 	.set_bias_level		= twl6040_set_bias_level,
 	.controls		= twl6040_snd_controls,