CONFIG_CPU_SUBTYPE_SH7750S is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

Support SH7750S processor

modulename: setup-sh7750.ko

configname: CONFIG_CPU_SUBTYPE_SH7750S

Linux Kernel Configuration
└─>Processor selection
└─>Support SH7750S processor
In linux kernel since version 2.6.16 (release Date: 2006-03-19)