Add NAND to CP master device tree. Add armada-7040-db-nand
device tree for the board configured with NAND boot device.
Add comment about boot device ID to armada-7040-db DTS.
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Igal Liberman <igall@marvell.com>
Cc: Nadav Haklai <nadavh@marvell.com>
Reviewed-by: Stefan Roese <sr@denx.de>
