CONFIG_ARCH_KS8695 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Micrel/Kendin KS8695

modulename: gpio-ks8695.ko

configname: CONFIG_ARCH_KS8695

ARM system type
└─>Micrel/Kendin KS8695
In linux kernel since version 2.6.22 (release Date: 2007-07-08)  
Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
System-on-Chip devices.

source code:
drivers/gpio/gpio-ks8695.c