These scripts are needed for our development usecases. Copy this directoryinto your tftp root directory to be able to use this scripts.cp -r <u-boot-repo>/board/keymile/scripts <your_tftp_root>/To load and configure these usecase, two environment variables in the u-bootdefault environment must be parsed:run develop : setup environment to configure for rootfs via nfsrun ramfs : setup environment to configure for rootfs in ramLast change: 24.11.2011develop-common.txt============================This file defines variables for working with rootfs via nfs for powerpc andarm.develop-<arch>.txt============================This file defines architecture specific variables for working with rootfs vianfs arm.ramfs-common.txt============================This file defines variables for working with rootfs inside the ram for powerpcand arm.ramfs-<arch>.txt============================This file defines architecture specific variables for working with rootfs insideram.