ASoC: sdp4430 - Add Mic Bias for DMic0, DMic1 and DMic2
Blaze/SDP4430 contains DMic0, DMic1 and DMic2 interfaces, which
are supplied by Digital Mic Bias 1 from TWL6040. An alternate
second digital microphone bias could be used from Digital Mic
Bias 2, but it's currently not installed in application board.
Signed-off-by:
Misael Lopez Cruz <misael.lopez@ti.com>
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