msm8660: Use retire fence from MDP driver

Change-Id: Iace8b6fc376d759db2201992381ee4758a8e44f2
msm8660: Update CPU-specific optimizations

 * Use new TARGET_CPU_VARIANT for Scorpion.
 * Enable QCOM math optimizations.

Change-Id: I68fff1689e78aec8edb23c22980f00cf70c8e296
msm8660: Set dynThreshold to 1.9 for hwcomposer

 * Reduces jank during transitions.

Change-Id: Iaf6db4e3069bcaee9f480acdee8942e7305b29f4
msm8660: Enable low-power audio

Change-Id: Id45bc1e05c0254f11196fe59f322fa5dfa92aca8
msm8660: Basic SELinux policy

 * First cut at this, just a copy from the reference.

Change-Id: Ic08dd22729fc7a4bb64e78f02da40023a3d85717
msm8660: Remove deprecated NEW_ION_API flag

Change-Id: Ided3a67fcdcdec649da5a67fe7bc0dad97bbc225
msm8660: Enable VOIP handling in audio HAL

Change-Id: I072ff11450ecb2370addda59a5f0253c8d1325c2