CONFIG_CPU_SH4 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

SH-4

modulename: tlb-sh4.ko

and/or

cache-sh4.ko

configname: CONFIG_CPU_SH4

Processor family
└─>SH-4
In linux kernel since version 2.6.12  
source code:
arch/sh/mm/