arm/km: use CONFIG_NAND_ECC_BCH

Switch from 1-bit ecc to 4-bit ecc.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
Acked-By: Prafulla Wadaskar <prafulla@marvell.com>
1 file changed