mtd: ensure MTD_RAW_NAND is compiled when ENV_IS_IN_NAND is selected

Raw NAND support must be enabled when the environment is in NAND.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
2 files changed