Bluetooth: Fixed compile issue

Change-Id: I5580794a45e035933dff0e2d56765db1f4360837
Use mutex lock version wm8994 register read/write
Bluetooth fix: enabled dynamic power management

- Removed all the rfkill lge patches
- Simplified the rfkill interface
- Fixed bluesleep to run in persistent mode
- Enabled low power / dynamic power

Change-Id: I072bdb1c5798394720637703cd6b3212bfda35a8
Wifi fix: disabled DTIM SKIP by default

Removed the aosp dtim skip while on suspend. It causes random
disconnections and loss of packets.

Change-Id: I903b8c9cf0d78e0a79d2d7859ab17047b5897e09