msm8226-common: Set up Qualcomm audio effects

* Add config to use offloaded effects where possible

Change-Id: I10ca9b387810c7a3638fcb5544b910a7c21765b2
msm8226-common: Disable hardware visualizer

* This appears to cause serious issues with compress offload.

Change-Id: I6cb8ee2b9e1fbf6915001dc1808ed10f15df5f6e