mtd: gpmi: use DMA channel 0 for all the nand chips

We only have one DMA channel : the channel 0.
Use DMA channel 0 to access all the nand chips.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
1 file changed