rdc321x-southbridge: Use mfd_data instead of driver_data

Use mfd_data for passing information from mfd drivers to soc
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().

Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/rdc321x-southbridge.c b/drivers/mfd/rdc321x-southbridge.c
index 5092297..193c940 100644
--- a/drivers/mfd/rdc321x-southbridge.c
+++ b/drivers/mfd/rdc321x-southbridge.c
@@ -61,12 +61,12 @@
 		.name		= "rdc321x-wdt",
 		.resources	= rdc321x_wdt_resource,
 		.num_resources	= ARRAY_SIZE(rdc321x_wdt_resource),
-		.driver_data	= &rdc321x_wdt_pdata,
+		.mfd_data	= &rdc321x_wdt_pdata,
 	}, {
 		.name		= "rdc321x-gpio",
 		.resources	= rdc321x_gpio_resources,
 		.num_resources	= ARRAY_SIZE(rdc321x_gpio_resources),
-		.driver_data	= &rdc321x_gpio_pdata,
+		.mfd_data	= &rdc321x_gpio_pdata,
 	},
 };