Integrate uboot-imx-kuk/add-version_to_fdt-command

Commit: seco-ne/3rd-party/kuk/uboot-imx-kuk@a29ae92c

uboot:board: add command "version_to_fdt"

This u-boot command looks for a set of known environment variables containing module, board and u-boot version and installs their values into the /version node in the device tree.