default or selected kernelversion does not have config value CONFIG_SND_SOC_SOF_IMX8_SUPPORT.
Result is shown for kernelversion 6.9.2

SOF support for i.MX8

configname: CONFIG_SND_SOC_SOF_IMX8_SUPPORT

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SOF support for i.MX8
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
This adds support for Sound Open Firmware for NXP i.MX8 platforms
Say Y if you have such a device.
If unsure select "N".