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>