ASoC: lahaina: add audio core vote state in mi2s

Add audio core vote state variable for mi2s interfaces.
Enable it during interface startup and disable it during
mi2s_disable_audio_vote, auxpcm init/deinit.

Change-Id: I798e15f489b1cb1816e424e1b543016d757016e4
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>