u-boot-sunxi-mainline-wits_pro_a20_dkt-20160830T044210-cb1cbdd/ u-boot-sunxi-mainline-wits_pro_a20_dkt-20160830T044210-cb1cbdd/sunxi-spl.bin u-boot-sunxi-mainline-wits_pro_a20_dkt-20160830T044210-cb1cbdd/u-boot-sunxi-with-spl.bin u-boot-sunxi-mainline-wits_pro_a20_dkt-20160830T044210-cb1cbdd/u-boot.bin