OC kernel
Add bluetooth main.conf file
Build some additional stuff
Set read_ahead_kb to 2048 for sdcards
Add all available device asserts
audio: Some volume adjustments and Mic improvement
Move common overlay stuff to common tree

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml
Tweak brightness settings

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml
Rearrange BoardConfigCommon
init: Some networks tweaks
init: Add scopcm setup for Bluetooth tool
Some overlay changes for p2p
Try to fix BT Tethering
Try to enable P2P
Add missing { } in init.usb.rc
audio: Mic on/off control
Update prebuild kernel
- tun support now built-in
- Fix for "mic pause" problem
- OC enabled
- Drivers for some Special HID Devices included
- Drivers for some USB Network Adapters included
- Try implement WLAN WOW function
- Add f_audio_source gadget driver
init.rc: Add eth0 support
Allow ethernet via usb0
When connecting to a android phone with usb tethering, the connection
appears as usb0, not eth0.
Update prebuilt kernel
Fix sdcards not mounted