How to modify the default UEFI DTB

I now need to modify the eeprom device node in the default UEFI to adapt it to my development board.
Could you tell me the detailed steps?

Hi sean.pan,

What’s the Jetpack version in use?

Actually, the DTB used for UEFI is the same as the one used in kernel by default.
The dtb will be built into UEFI binary during flash.

What’s your custom design for EEPROM different from the devkit?
Maybe you can check the configuration in tegra234-mb2-bct-misc-p3767-0000.dts first.