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

SoC Audio support for Marvell Zylonite

modulename: snd-soc-zylonite.ko

configname: CONFIG_SND_SOC_ZYLONITE

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio support for Marvell Zylonite
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
Say Y if you want to add support for SoC audio on the
Marvell Zylonite reference platform.

source code: