Atheros AR300x serial support

configname: CONFIG_BT_HCIUART_ATH3K

Linux Kernel Configuration
└─>Networking support
└─>Bluetooth subsystem support
└─>Bluetooth device drivers
└─>Atheros AR300x serial support
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
HCIATH3K (HCI Atheros AR300x) is a serial protocol for
communication between host and Atheros AR300x Bluetooth devices.
This protocol enables AR300x chips to be enabled with
power management support.
Enable this if you have Atheros AR300x serial Bluetooth device.

Say Y here to compile support for HCI UART ATH3K protocol.