This patch moves some attributes out from the platform data into the
dynamically created nand device.   This results into a cleaner interface
and allows to use constant pxa3xx_nand_flash definitions.
Signed-off-by: NEnrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>