U-Boot environment variables layout

modulename: u-boot-env.ko

configname: CONFIG_NVMEM_LAYOUT_U_BOOT_ENV

Linux Kernel Configuration
└─>Device Drivers
└─>NVMEM Support
└─>Layout Types
└─>U-Boot environment variables layout
In linux kernel since version 6.1.112 (release Date: 2024-09-30)  
U-Boot stores its setup as environment variables. This driver adds
support for verifying & exporting such data. It also exposes variables
as NVMEM cells so they can be referenced by other drivers.

If unsure, say N.

source code: