mtd: nand: MTD_NAND_MARVELL should depend on HAS_DMA

If NO_DMA=y:

    ERROR: "bad_dma_ops" [drivers/mtd/nand/marvell_nand.ko] undefined!

Add a dependency on HAS_DMA to fix this.

Fixes: 02f26ecf

 ("mtd: nand: add reworked Marvell NAND controller driver")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>