default or selected kernelversion does not have config value CONFIG_SND_MXC_SOC_SSI.
Result is shown for kernelversion 5.4.69

CONFIG_SND_MXC_SOC_SSI (not configurable)

configname: CONFIG_SND_MXC_SOC_SSI

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio for Freescale i.MX CPUs
└─>SND_MXC_SOC_SSI
In linux kernel since version 2.6.32 (release Date: 2009-12-02)