mm-core: Enable HW mp3 decoder for msm7x30

* Enable hardware mp3 decoder
* Cleanup the code style
* Update copyrights

Change-Id: I1ea17ad91315d2a3ad86d17874b3cbbe22f85f01
Merge pull request #2 from arco/cm-11.0

mm-core: Enable HW mp3 decoder for msm7x30