default or selected kernelversion does not have config value CONFIG_MICROCHIP_OTPC.
Result is shown for kernelversion 6.1-rc2

Microchip OTPC support

modulename: nvmem-microchip-otpc.ko

configname: CONFIG_MICROCHIP_OTPC

Linux Kernel Configuration
└─>Device Drivers
└─>NVMEM Support
└─>Microchip OTPC support
In linux kernel since version 6 (release Date: 2022-10-02)  
This driver enable the OTP controller available on Microchip SAMA7G5
SoCs. It controlls the access to the OTP memory connected to it.

source code:
depends
CONFIG_NVMEM
CONFIG_ARCH_AT91 or CONFIG_COMPILE_TEST