m7-common: snd_soc_msm device adjustments

Most of these changes come from m7vzw 1.10.605.10
snd_soc_msm_2x_Fusion3_DMIC_S.

Device:
Voice Speaker: these sequences belong in verbs/modifiers
Camcorder TX: we don't have four mic channels, get the enable disable
  sequence from Line LandscapeCam
Voice Recognition, Voice Line: use integer volumes
Speaker DMIC Endfire, Speaker DMIC Stereo: use integer volumes and fix
  disable sequences

Change-Id: I8e0c0ca8a15c5fbcdd80b94cfba2513658c256dc
merge changes from CyanogenMod 10.2 into local branch