mtd: rawnand: orion_nand: Kill orion_nand_data.dev_ready()

None of the boards seem to overload the ->dev_ready() hook, just drop
this field from orion_nand_data.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2 files changed