CONFIG_CPU_SUBTYPE_SH7705 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

Support SH7705 processor

modulename: setup-sh7705.ko

configname: CONFIG_CPU_SUBTYPE_SH7705

Linux Kernel Configuration
└─>Processor selection
└─>Support SH7705 processor
In linux kernel since version 2.6.12