Arm needs 64-Bit alignment of the oftree as mentioned in the documentation
Documentation/arm/Booting.
Other architectures may need a bigger alignment so align to 4K.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>