CONFIG_AMD_ATL is not available for thedefaultarchitecture x86.
Result is shown for architecture 64BIT

AMD Address Translation Library

modulename: amd_atl.ko

configname: CONFIG_AMD_ATL

Linux Kernel Configuration
└─>Device Drivers
└─>Reliability, Availability and Serviceability (RAS) features
└─>AMD Address Translation Library
In linux kernel since version 6.1.89 (release Date: 2024-04-29)  
This library includes support for implementation-specific
address translation procedures needed for various error
handling cases.

Enable this option if using DRAM ECC on Zen-based systems
and OS-based error handling.

source code: