mfd: Use mfd cell platform_data for janz cells platform bits

With the addition of a platform device mfd_cell pointer, MFD drivers
can go back to passing platform data back to their sub drivers.
This allows for an mfd_cell->mfd_data removal and thus keep the
sub drivers MFD agnostic. This is mostly needed for non MFD aware
sub drivers.

Cc: Ira W. Snyder <iws@ovro.caltech.edu>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c
index 587fba4..f1942ca 100644
--- a/drivers/net/can/janz-ican3.c
+++ b/drivers/net/can/janz-ican3.c
@@ -15,7 +15,6 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
-#include <linux/mfd/core.h>
 
 #include <linux/netdevice.h>
 #include <linux/can.h>
@@ -1644,7 +1643,7 @@
 	struct device *dev;
 	int ret;
 
-	pdata = mfd_get_data(pdev);
+	pdata = pdev->dev.platform_data;
 	if (!pdata)
 		return -ENXIO;