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

CONFIG_CS_DSP (not configurable)

modulename: cs_dsp.ko

configname: CONFIG_CS_DSP

Linux Kernel Configuration
└─>Device Drivers
└─>Firmware Drivers
└─>CS_DSP
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
source code:
drivers/firmware/cirrus/cs_dsp.c