[MTD] [OneNAND] Check the ECC status first instead of controller

To get the correct information in case of power off recovery,
it should read ECC status first
Also remove previous workaround method.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
1 file changed