Use the same Yafut code revision for both updating devices with NAND
flash and preparing firmware images for devices with NOR flash.
Signed-off-by: Michał Kępień <openwrt@kempniu.pl>
Link: https://github.com/openwrt/openwrt/pull/13453
Signed-off-by: Robert Marko <robimarko@gmail.com>