default or selected kernelversion does not have config value CONFIG_ATH6KL_TRACING.
Result is shown for kernelversion 6.0-rc7

Atheros ath6kl tracing support


Linux Kernel Configuration
└─> Device Drivers
└─> Network device support
└─> Wireless LAN
└─> Atheros ath6kl tracing support

Select this to ath6kl use tracing infrastructure which, for
example, can be enabled with help of trace-cmd. All debug
messages and commands are delivered to using individually
enablable trace points.

If unsure, say Y to make it easier to debug problems.