Hi, I am using i.MX 6ULZ processor (MCIMX6Z0DVM09AB) with internal NAND flash, will it be sufficient to config UBOOT_CONFIG = "nand" in local.conf for downloading Linux kernel image to NAND and boot from NAND? Does it need to configure UBOOT_CONFIG["mfgtool] for using imx mfgtool uuu? Thank you. Kind regards, - jupiter