CONFIG_SND_SOC_SOF_IMX_OF (not configurable)

configname: CONFIG_SND_SOC_SOF_IMX_OF

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SND_SOC_SOF_IMX_OF
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This option is not user-selectable but automagically handled by
'select' statements at a higher level.