mtd: Use mfd_data instead of driver_data for tmio_nand

Use mfd_data for passing information from mfd drivers to mfd
clients.  The mfd_cell's driver_data field is being phased out.

Clients that were using driver_data now access .mfd_data
via mfd_get_data().  This changes tmio-nand only; mfd drivers with
other cells are not modified.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c
index 5bf63e3..2383b8f 100644
--- a/drivers/mtd/nand/tmio_nand.c
+++ b/drivers/mtd/nand/tmio_nand.c
@@ -372,8 +372,7 @@
 
 static int tmio_probe(struct platform_device *dev)
 {
-	struct mfd_cell *cell = mfd_get_cell(dev);
-	struct tmio_nand_data *data = cell->driver_data;
+	struct tmio_nand_data *data = mfd_get_data(dev);
 	struct resource *fcr = platform_get_resource(dev,
 			IORESOURCE_MEM, 0);
 	struct resource *ccr = platform_get_resource(dev,