default or selected kernelversion does not have config value CONFIG_DA_TTY.
Result is shown for kernelversion 6.7-rc3

DA TTY

modulename: metag_da.ko

configname: CONFIG_DA_TTY

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>DA TTY
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This enables a TTY on a Dash channel.

source code: