default or selected kernelversion does not have config value CONFIG_ATMEL_TCLIB.
Result is shown for kernelversion 6.9.5

Atmel AT32/AT91 Timer/Counter Library

modulename: atmel_tclib.ko

configname: CONFIG_ATMEL_TCLIB

Linux Kernel Configuration
└─>Device Drivers
└─>Misc devices
└─>Atmel AT32/AT91 Timer/Counter Library
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
Select this if you want a library to allocate the Timer/Counter
blocks found on many Atmel processors. This facilitates using
these blocks by different drivers despite processor differences.

source code:

is selected by
CONFIG_ATMEL_TCB_CLKSRC