CONFIG_CPU_SUBTYPE_SH7763 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

Support SH7763 processor

modulename: pci-sh7780.ko

and/or

setup-sh7763.ko

configname: CONFIG_CPU_SUBTYPE_SH7763

Processor sub-type selection
└─>Support SH7763 processor
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.

source code:
/arch/sh/drivers/pci/
selects
CONFIG_CPU_SH4A