mtd: eLBC NAND: Fix on die ecc support

Signed-off-by: Esben Haabendal <esben@haabendal.dk>
mtd: eLBC NAND: Fix on die ECC rewrite recommended handling

Reporting failed when on-die ECC corrected the bitflips seems wrong.
Reporting corrected instead should be the right thing to do.

Signed-off-by: Esben Haabendal <esben@haabendal.dk>
Revert "mtd: nand: subpage write support for hardware based ECC schemes"

This reverts commit 837a6ba4f3b6d23026674e6af6b6849a4634fff9.