USB bus interface support for FullMAC driver

configname: CONFIG_BRCMFMAC_USB

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless LAN
└─>USB bus interface support for FullMAC driver
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This option enables the USB bus interface support for Broadcom
IEEE802.11n embedded FullMAC WLAN driver. Say Y if you want to
use the driver for an USB wireless card.