CONFIG_CPU_SUBTYPE_SH5_101 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

Support SH5-101 processor

configname: CONFIG_CPU_SUBTYPE_SH5_101

Processor sub-type selection
└─>Support SH5-101 processor
In linux kernel since version 2.6.12  
selects
CONFIG_CPU_SH5

is selected by
CONFIG_SH_CAYMAN