Support to boot zImage
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>
[Add bootz for at91rm9200, at91sam9263, at91sam9rl]
Signed-off-by: NBo Shen <voice.shen@atmel.com>
Signed-off-by: NAndreas Bießmann <andreas.devel@googlemail.com>