CONFIG_KSI8560 is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

Emerson KSI8560

modulename: ksi8560.ko

configname: CONFIG_KSI8560

Linux Kernel Configuration
└─>Machine Type
└─>Emerson KSI8560
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
This option enables support for the Emerson KSI8560 board

source code: