mtd: nand: set the cell information for ONFI nand

The current code does not set the SLC/MLC information for onfi nand.
(This makes that the kernel treats all the onfi nand as SLC nand.)

This patch fills the cell information for ONFI nands.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/nand/nand_base.c

@@ -2992,6 +2992,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
 	mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);
 	chip->chipsize = le32_to_cpu(p->blocks_per_lun);
 	chip->chipsize *= (uint64_t)mtd->erasesize * p->lun_count;
+	chip->bits_per_cell = p->bits_per_cell;
 
 	if (onfi_feature(chip) & ONFI_FEATURE_16_BIT_BUS)
 		*busw = NAND_BUSWIDTH_16;