Now that the driver can support the Armada 370/XP SoC NAND controller,
add the devicetree compatible string, enabling its use.
Signed-off-by: NEzequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: NJason Cooper <jason@lakedaemon.net>
Signed-off-by: NBrian Norris <computersforpeace@gmail.com>