dts cfg file: Targets/LS2K/conf/ls2k.dts compile dtb: make dtb (Create file ls2k.dtb in zloader.ls2k) update dtb: load_dtb <file path(the same as load)> set mac addr: set_dtb <net_num: 0/1> <mac address: "00:11:22:33:44:55"> Change-Id: I303c8807b180038a47bc76541037693b507b1d88