CONFIG_CPU_SUBTYPE_SH7264 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

Support SH7264 processor

modulename: setup-sh7264.ko

configname: CONFIG_CPU_SUBTYPE_SH7264

Processor sub-type selection
└─>Support SH7264 processor
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
arch/sh/kernel/cpu/sh2a/

is selected by
CONFIG_PINCTRL_PFC_SH7264