CONFIG_ARCH_AIROHA is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Airoha SoC Support

configname: CONFIG_ARCH_AIROHA

Linux Kernel Configuration
└─>Airoha SoC Support
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Support for Airoha EN7523 SoCs