msm8226: Build qcom power hal

Change-Id: I9e20db6e361a662af09e6caab42791cfb45792a2
msm8226: Use stock audio.primary until can sort out volume issues

Change-Id: I59f889d9066dc56d5a8c2f0740524499d7a2d5c7
msm8226: xt1033 needs it's own audio.primary for multichannel dual sim

Change-Id: I5e36828a77be6590167531689696ed840c51fb80
msm8226 & msm8960dt: Get rid of prebuilt charge_only_mode

Change-Id: I97aa6449d09d21a16748d75a74427987c85b3566