We load two boot image source descriptor structures from last
two sectors in the SPI NOR flash and determine the boot source
for loading the kernel/DTB images, then adjust the boot order for
loading image from eMMC boot0 or boot1 partition.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Lukasz Majewski <lukma@denx.de>
