CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64
default or selected kernelversion does not have config value CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET.
Result is shown for kernelversion 6.9.5

Randomize TEXT_OFFSET at build time

configname: CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET

Linux Kernel Configuration
└─>Randomize TEXT_OFFSET at build time
In linux kernel since version 3.17 (release Date: 2014-10-05)  
Say Y here if you want the image load offset (AKA TEXT_OFFSET)
of the kernel to be randomized at build-time. When selected,
this option will cause TEXT_OFFSET to be randomized upon any
build of the kernel, and the offset will be reflected in the
text_offset field of the resulting Image. This can be used to
fuzz-test bootloaders which respect text_offset.

This option is intended for bootloader and/or kernel testing
only. Bootloaders must make no assumptions regarding the value
of TEXT_OFFSET and platforms must not require a specific
value.