fixed i9100 low headphones sound issue

Change-Id: I9755f3d482717310617df91f2d7bcfa0f06c525f
BoardConfig: Add Cortex-A9 & Neon optimization

Change-Id: I141a4883da272ce7057fe2b78d3d590624f219ef
Merge "fixed i9100 low headphones sound issue" into cm-10.1
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1