Upcoming change to tlv320aic3x codec driver require four supplies.
Implement this by connecting analogic supplies to TWL4030 VMMC2 and digital
supplies to TWL4030 VIO.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Cc: Eduardo Valentin <eduardo.valentin@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>