default or selected kernelversion does not have config value CONFIG_CLKSRC_IMX_GPT.
Result is shown for kernelversion 6.9-rc5

Clocksource using i.MX GPT

modulename: timer-imx-gpt.ko

configname: CONFIG_CLKSRC_IMX_GPT

Linux Kernel Configuration
└─>Device Drivers
└─>Clock Source drivers
└─>Clocksource using i.MX GPT
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/clocksource/timer-imx-gpt.c

depends
CONFIG_GENERIC_CLOCKEVENTS
CONFIG_HAVE_CLK
CONFIG_ARM or CONFIG_ARM64

is depended by
CONFIG_ARCH_MXC