CONFIG_CPU_SH5 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh
default or selected kernelversion does not have config value CONFIG_CPU_SH5.
Result is shown for kernelversion 6.9.9

CONFIG_CPU_SH5 (not configurable)

modulename: pci-sh5.ko

and/or

setup-sh5.ko

and/or

intc-sh5.ko

configname: CONFIG_CPU_SH5

Linux Kernel Configuration
└─>System type
└─>CPU_SH5
In linux kernel since version 2.6.12  
source code: