default or selected kernelversion does not have config value CONFIG_MICROCODE_AMD_EARLY.
Result is shown for kernelversion 6.5.1

CONFIG_MICROCODE_AMD_EARLY (not configurable)

modulename: microcode_amd_early.ko

configname: CONFIG_MICROCODE_AMD_EARLY

Linux Kernel Configuration
└─>Processor type and features
└─>MICROCODE_AMD_EARLY
In linux kernel since version 3.11 (release Date: 2013-09-02)  
source code:
arch/x86/kernel/microcode_amd_early.c
is depended by
CONFIG_MICROCODE_EARLY