default or selected kernelversion does not have config value CONFIG_XILINX_SYSACE.
Result is shown for kernelversion 6.8.2

Xilinx SystemACE support

modulename: xsysace.ko

configname: CONFIG_XILINX_SYSACE

Linux Kernel Configuration
└─>Device Drivers
└─>Block devices
└─>Xilinx SystemACE support
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
Include support for the Xilinx SystemACE CompactFlash interface

source code: