default or selected kernelversion does not have config value CONFIG_SND_S3C64XX_SOC_SMARTQ.
Result is shown for kernelversion 5.4.69

SoC I2S Audio support for SmartQ board

modulename: snd-soc-s3c64xx-smartq-wm8987.ko

configname: CONFIG_SND_S3C64XX_SOC_SMARTQ

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC I2S Audio support for SmartQ board
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
source code:
sound/soc//s3c24xx/