default or selected kernelversion does not have config value CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX.
Result is shown for kernelversion 6.2.5

CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX (not configurable)

configname: CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX

Linux Kernel Configuration
└─>HAVE_ARCH_MUTEX_CPU_RELAX
In linux kernel since version 2.6.38 (release Date: 2011-03-14)