Upcoming ASoC core and tlv320aic3x changes makes possible to take b part of
TLV320AIC34 into use on RX51/N900. Prepare to this by adding virtual supplies
and platform data for b part of the codec.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>