Add __nand_calculate_ecc() which does not take struct mtd_info.
The built-in 256/512 software ECC calculation and correction tester
will use it.
Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com>
Acked-by: NVimal Singh <vimalsingh@ti.com>
Signed-off-by: NArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>