Atheros ath9k AHB bus support

configname: CONFIG_ATH9K_AHB

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless LAN
└─>Atheros ath9k AHB bus support
In linux kernel since version 3 (release Date: 2011-07-21)  
This option enables the AHB bus support in ath9k.

Say Y, if you have a SoC with a compatible built-in
wireless MAC. Say N if unsure.