ASoC: Fix comment in cs4270 codec driver

The comment does not reflect reality anymore since the multi-component
monster patch landed. Things are matched by names now, and not by
exporting and referencing a struct. Fix it to avoid confusion.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/cs4270.c

@@ -636,10 +636,7 @@ static int cs4270_soc_resume(struct snd_soc_codec *codec)
 #endif /* CONFIG_PM */
 
 /*
- * ASoC codec device structure
- *
- * Assign this variable to the codec_dev field of the machine driver's
- * snd_soc_device structure.
+ * ASoC codec driver structure
  */
 static const struct snd_soc_codec_driver soc_codec_device_cs4270 = {
 	.probe =		cs4270_probe,