kernelconfig_penguin
default or selected kernelversion does not have config value CONFIG_ATH6KL_CONFIG_GPIO_BT_RESET.
Result is shown for kernelversion 3.1.9

Configure BT Reset GPIO

configname: CONFIG_ATH6KL_CONFIG_GPIO_BT_RESET

Linux Kernel Configuration
└─> Device Drivers
└─> Staging drivers
└─> Configure BT Reset GPIO

Configure a WLAN GPIO for use with BT.