default or selected kernelversion does not have config value CONFIG_ARM_KS8695_ETHER.
Result is shown for kernelversion 6.9.9

KS8695 Ethernet support

modulename: ks8695net.ko

configname: CONFIG_ARM_KS8695_ETHER

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>KS8695 Ethernet support
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
If you wish to compile a kernel for the KS8695 and want to
use the internal ethernet then you should answer Y to this.

source code: