CONFIG_RISCV_ISA_ZABHA is not available for the selected architecture x86.
Result is shown for architecture riscv

Zabha extension support for atomic byte/halfword operations

configname: CONFIG_RISCV_ISA_ZABHA

Linux Kernel Configuration
└─>Platform type
└─>Zabha extension support for atomic byte/halfword operations
In linux kernel since version 6.13 (release Date: 2025-01-19)
Enable the use of the Zabha ISA-extension to implement kernel
byte/halfword atomic memory operations when it is detected at boot.

If you don't know what to do here, say Y.