uboot for mt76x8,Default console:115200,8,n,1,UART0,The web on ETH0
// upload uboot to flash
$ curl -F uboot=@./uboot.bin -F press="Update U-Boot" 192.168.1.111 > /dev/null
// upload openwrt to flash
$ curl -F firmware=@./openwrt.bin -F press="Update firmware" 192.168.1.111 > /dev/null