default or selected kernelversion does not have config value CONFIG_SND_AT32_SOC_PLAYPAQ.
Result is shown for kernelversion 6.2.5

SoC Audio support for PlayPaq with WM8510

modulename: snd-soc-playpaq.ko

configname: CONFIG_SND_AT32_SOC_PLAYPAQ

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio support for PlayPaq with WM8510
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Say Y or M here if you want to add support for SoC audio
on the LRS PlayPaq.

source code:
sound/soc//atmel/