default or selected kernelversion does not have config value CONFIG_AIROHA_WATCHDOG.
Result is shown for kernelversion 6.6.75

Airoha EN7581 Watchdog

modulename: airoha_wdt.ko

configname: CONFIG_AIROHA_WATCHDOG

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>Airoha EN7581 Watchdog
In linux kernel since version 6.13 (release Date: 2025-01-19)  
Watchdog timer embedded into Airoha SoC. This will reboot your
system when the timeout is reached.

source code:

depends
CONFIG_WATCHDOG
CONFIG_ARCH_AIROHA or CONFIG_COMPILE_TEST