msm8960-common: add TARGET_CPU_VARIANT

Change-Id: Ifcbf6905ba779afe8a3a92827d6d522b2cb248ed
msm8960-common: enable extra qualcomm AV features

Change-Id: I61e3ded81482216b3c098c97a04352b5a76e80b9
msm8960-common: use legacy QCOM audio

Change-Id: I8ffb7854fc90b4ab56d7367e35784bc67113a578
Revert "msm8960: Enable tunnel audio feature"

* DSP manager does not work with tunnel audio

This reverts commit 2a4f0b069cabb515647c43fa58e12b9b3cb43cb1.

Change-Id: Ie7cc930e1ed62ad96c927fd49a7663c8cc55e060
Revert "msm8960-common: use legacy QCOM audio"

* This is unnecessary for now.

This reverts commit f058b68dd3e67d26c4ead6557c12663214ddc361.

Change-Id: I51e3d1d81485016b0c098c97a04352b5a76e80b9