ARM: dts: msm: Update audio codec to use 2.7 volts micbias voltage

2.7 volts micbias is needed for headset detection module on codec to be
able to detect certain special types of headset. Update the codec to use
2.7 volts micbias so that such special headsets can be detected.

CRs-fixed: 537966, 554536
Change-Id: Id19b364a7fc77ee8302ae19089247d0e98b0f854
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>