kernelconfig_penguin
default or selected kernelversion does not have config value CONFIG_ATH_DEBUG.
Result is shown for kernelversion 5.9.9

Atheros wireless debugging

configname: CONFIG_ATH_DEBUG

Linux Kernel Configuration
└─> Device Drivers
└─> Network device support
└─> Wireless LAN
└─> Atheros wireless debugging

Say Y, if you want to debug atheros wireless drivers.
Right now only ath9k makes use of this.