CONFIG_CPU_SUBTYPE_SH7706 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh
Support SH7706 processor
modulename: setup-sh7709.ko
and/orsetup-sh770x.ko
configname: CONFIG_CPU_SUBTYPE_SH7706
Linux Kernel Configuration
└─>Processor selection
└─>Support SH7706 processor
In linux kernel since version 2.6.19 (release Date: 2006-11-29)
Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.