mtd: nand: mxc: lower ECC failed message priority to debug level

Having bad ECC is a normal case for NAND, do not spam log with the
message. Users like UBI will print a message anyway which is more
useful since it contains the PEB number that has bad ECC.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: NFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: NBoris Brezillon <boris.brezillon@free-electrons.com>

drivers/mtd/nand/mxc_nand.c

@@ -634,7 +634,7 @@ static int mxc_nand_correct_data_v2_v3(struct mtd_info *mtd, u_char *dat,
 	do {
 		err = ecc_stat & ecc_bit_mask;
 		if (err > err_limit) {
-			printk(KERN_WARNING "UnCorrectable RS-ECC Error\n");
+			dev_dbg(host->dev, "UnCorrectable RS-ECC Error\n");
 			return -EBADMSG;
 		} else {
 			ret += err;