BCSP protocol support

configname: CONFIG_BT_HCIUART_BCSP

Linux Kernel Configuration
└─>Networking support
└─>Bluetooth subsystem support
└─>Bluetooth device drivers
└─>BCSP protocol support
In linux kernel since version 2.6.12  
BCSP (BlueCore Serial Protocol) is serial protocol for communication
between Bluetooth device and host. This protocol is required for non
USB Bluetooth devices based on CSR BlueCore chip, including PCMCIA and
CF cards.

Say Y here to compile support for HCI BCSP protocol.