ASoC: multi-component: TWL4030: Restore registers on removal

Add back the register restore call, when the codec driver is
removed.
This does not affect normal operation, but it is usefull when
debugging audio through the twl4030 class codecs.

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

sound/soc/codecs/twl4030.c

@@ -2258,6 +2258,8 @@ static int twl4030_soc_probe(struct snd_soc_codec *codec)
 
 static int twl4030_soc_remove(struct snd_soc_codec *codec)
 {
+	/* Reset registers to their chip default before leaving */
+	twl4030_reset_registers(codec);
 	twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;
 }