Add U-Boot replacement loader for Routerich AX3000.
Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16791
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit c0581520b1)
Link: https://github.com/openwrt/openwrt/pull/17097
Signed-off-by: Petr Štetiar <ynezz@true.cz>