Specify firmware partition format to denx,uimage in compatible DTS property.
2 uimage-fw partitions found on MTD device firmware
Creating 2 MTD partitions on "firmware":
0x000000000000-0x00000017f72b : "kernel"
0x00000017f72b-0x000000f70000 : "rootfs"
Signed-off-by: Petr Štetiar <ynezz@true.cz>