kernel_sony_msm8x60: some voltages fix.

The values are copied directly from 9.1.B.1.67 and solved the sound being too loud problem.

Change-Id: I8a0fc3418bd04735956a0c00010764bffd4e6d25
Add back necessary files for compiling.

Change-Id: Ica3544d1b5d2d91097f5941a742a819de99000b5