ASoC: sdm845: Add micbias configuration for MBHC

MBHC(Multi Button Headset Controller) micbias can be
configured with the desired micbias. Add micbias
configuration for MBHC on sdm845 target.

Change-Id: I3239e7e172367403e6f4eb2e37d29f2a942ee2fb
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>
1 file changed