CONFIG_ERRATA_ANDES is not available for thedefaultarchitecture x86.
Result is shown for architecture riscv

Andes AX45MP errata

configname: CONFIG_ERRATA_ANDES

Linux Kernel Configuration
└─>CPU errata selection
└─>Andes AX45MP errata
In linux kernel since version 4.14.327 (release Date: 2023-10-10)  
All Andes errata Kconfig depend on this Kconfig. Disabling
this Kconfig will disable all Andes errata. Please say "Y"
here if your platform uses Andes CPU cores.

Otherwise, please say "N" here to avoid unnecessary overhead.