vivow: audio and spi changes from 2.6 kernel

Change-Id: Ib91fbeaaf904270ed4b59c6ff2aebc79ba3cb953
apuclock-7x30: make config for stock voltages

Change-Id: I37f4e5e565479f718e4be469b775f187efa016d4
Merge "vivow: audio and spi changes from 2.6 kernel" into jellybean
Merge "apuclock-7x30: make config for stock voltages" into jellybean