ARM: dts: msm8974: Configure micbias3 voltage to 2.7V

Configure micbias3 voltage to 2.7V that powers up
ANC mic lines and to support detection of the ANC
mic using MBHC.

Change-Id: I7c9401e14b56f49b29cc5e25200fbbbae9d7ecfd
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>