bluetooth: fix SCO PCM mode for Bluetooth Call Audio

Change-Id: I76d45c113012b6b0fc0b7ad81d7deaf4d52f7773
audio: don't use low power PCM port

Change-Id: I4b3f96e9589389cdc4405be64745982ebbd81f17
configs: remove duplicate audio_policy.conf

Change-Id: Ie7c601f6747b7b5ce0e74b576e9fc0a2e896bfb3
overlay: remove Phone overlay

Change-Id: I868d49b9533dcd9395f829d16b7d91e11ccb7fb7
power: update power HAL for Ondemand support

Change-Id: I821d71e8681467927b21644f6891b36f11e11aa2
u2: add support for LM3530 LCD Backlight Driver

Change-Id: Iac99c464541eb65d5a1234cbcb8a1cc56ace8e3a
u2-common: enable permissions for Bluetooth LE

Change-Id: I2db7e15d65e67329fc66760da5b3c9350987c9eb
u2-common: use Linaro GCC 4.9.1

Change-Id: I83749ec52a1c98c82956173e3cd493cc84201f6e