CONFIG_ARM64_AS_HAS_MTE is not available for the selected architecture x86.
Result is shown for architecture arm64
CONFIG_ARM64_AS_HAS_MTE (not configurable)
configname: CONFIG_ARM64_AS_HAS_MTE
Linux Kernel Configuration
└─>Kernel Features
└─>ARMv8.5 architectural features
└─>ARM64_AS_HAS_MTE