linux-phytec-fsl

mtd: nand: sunxi: let the NAND controller control the CE line

We don't need to manually toggle the CE line since the controller handles
it for us. Moreover, keeping the CE line low when interacting with a DDR
NAND can be problematic (data loss in some corner cases).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>