default or selected kernelversion does not have config value CONFIG_CLOCK_THERMAL.
Result is shown for kernelversion 6.9.9

Generic clock cooling support

configname: CONFIG_CLOCK_THERMAL

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Thermal sysfs driver
└─>Generic clock cooling support
In linux kernel since version 3.19 (release Date: 2015-02-08)  
This entry implements the generic clock cooling mechanism through
frequency clipping. Typically used to cool off co-processors. The
device that is configured to use this cooling mechanism will be
controlled to reduce clock frequency whenever temperature is high.

depends
CONFIG_COMMON_CLK
CONFIG_PM_OPP
CONFIG_THERMAL