Microphone Bias may or may not have an external bypass capacitor
depending on the board configurations. Add the microphone bias
capless mode setting to the platform data for codec
CRs-fixed: 363941
Change-Id: Ia949d240b3b3122bc4bd6aca02ee5b6cd785d246
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>