CONFIG_METAG is not available for thedefaultarchitecture x86.
Result is shown for architecture metag
default or selected kernelversion does not have config value CONFIG_METAG.
Result is shown for kernelversion 6.7-rc3

CONFIG_METAG (not configurable)

modulename: irq-metag-ext.ko

configname: CONFIG_METAG

Linux Kernel Configuration
└─>METAG
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
drivers/irqchip/irq-metag-ext.c