CONFIG_ARCH_MICROCHIP is not available for thedefaultarchitecture x86.
Result is shown for architecture riscv
default or selected kernelversion does not have config value CONFIG_ARCH_MICROCHIP.
Result is shown for kernelversion 6.10-rc4

Microchip SoCs

configname: CONFIG_ARCH_MICROCHIP

Linux Kernel Configuration
└─>SoC selection
└─>Microchip SoCs
This enables support for Microchip SoC platforms.