arm: sync armada-xp dts files from Linux 5.0

Bring in the Armada 370/XP dts/dtsi files from Linux. As U-Boot hasn't
got the new NAND driver the updating binding has not been included.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
9 files changed