hack to route voice directly through twl4030 so that
there is no need for software routing on gta04a4

Power management is still not ok. Using the voice routing
does not yet automatically power on the amps on the microphone side.
But that can be reached using some alsa settings.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>

Conflicts:
	sound/soc/codecs/twl4030.c