meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-microblaze.inc

# MicroBlaze is a uImage target, but its not called 'uImage' instead it is called 'linux.bin.ub'
python () {
    if d.getVar('KERNEL_IMAGETYPE', True).endswith('.ub'):
        d.setVar('DEPENDS', "%s u-boot-mkimage-native" % d.getVar('DEPENDS', True))
}