Compile marvell_nand.c instead of pxa3xx_nand.c with all PXA based SoCs.
Convert all board files and defconfigs so that the new driver is used
everywhere instead of the old one.

Board files using CONFIG_MTD_NAND_PXA3xx now use CONFIG_MTD_NAND_MARVELL
instead.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>