Revert "remove unnecessary blobs"

This reverts commit 8c6bae25ec12f6555617d1dea0d3c7d8bb2b9101.

Change-Id: I24a2e348e507ea45bcd0b1e83043f22b6fb14941
remove power HAL and audio_effects.conf

Change-Id: Ib530e3d879109408d96726419b3451c4ebe82fc4