ASoC: wm0010: Set idle_bias_off

Doesn't make any practical difference given that _SUSPEND and _OFF are
equivalent for the driver but it's what we're really doing.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm0010.c

@@ -726,6 +726,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm0010 = {
 	.probe = wm0010_probe,
 	.set_bias_level = wm0010_set_bias_level,
 	.set_sysclk = wm0010_set_sysclk,
+	.idle_bias_off = true,
 
 	.dapm_widgets = wm0010_dapm_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(wm0010_dapm_widgets),