mtd: nand: sh_flctl: set ECC algorithm explicitly

This is part of process deprecating NAND_ECC_SOFT_BCH (and switching to
enum nand_ecc_algo).
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

drivers/mtd/nand/sh_flctl.c

@@ -1052,6 +1052,7 @@ static int flctl_chip_init_tail(struct mtd_info *mtd)
 		flctl->flcmncr_base |= _4ECCEN;
 	} else {
 		chip->ecc.mode = NAND_ECC_SOFT;
+		chip->ecc.algo = NAND_ECC_HAMMING;
 	}
 
 	return 0;