snd_soc_msm: Increase Camcorder Microphone Volume

* Camcorder Tx Use case has been fixed, so we need to fix this again
* Don't use MICBIAS1 - Causes feedback and popping

  Patch Set 2: Rebased

Change-Id: Id08d1817ac6c4c5d8d55a50ed88010ee534e2cd9