mtd: rawnand: fsl_upm: Get rid of the unused fsl_upm_nand.parts field

fsl_upm_nand.parts is unused, let's get rid of it.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200603134922.1352340-3-boris.brezillon@collabora.com

drivers/mtd/nand/raw/fsl_upm.c

@@ -29,7 +29,6 @@ struct fsl_upm_nand {
 	struct device *dev;
 	struct nand_chip chip;
 	int last_ctrl;
-	struct mtd_partition *parts;
 	struct fsl_upm upm;
 	uint8_t upm_addr_offset;
 	uint8_t upm_cmd_offset;