Signed-off-by: Rafał Miłecki <rafal@milecki.pl> (cherry picked from commit f4c2dab544ec22fac6ab2de32aa5bb361c7566f7)
New BCM4908 devices come with U-Boot instead of CFE. Firmwares for such devices has to include U-Boot. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> (cherry picked from commit 0d45e1ea96ef29649f080c54f99fb1c80482421b)