CONFIG_H8300_ITU is not available for thedefaultarchitecture x86.
Result is shown for architecture h8300
default or selected kernelversion does not have config value CONFIG_H8300_ITU.
Result is shown for kernelversion 6.2.5

ITU

modulename: itu.ko

configname: CONFIG_H8300_ITU

Timer
└─>ITU
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
source code:
arch/h8300/kernel/timer/itu.c