mfd: Constify i2c_device_id tables

Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Acked-by: NHarald Welte <laforge@gnumonks.org>
Cc: Matti Aaltonen <matti.j.aaltonen@nokia.com>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

drivers/mfd/pcf50633-core.c

@@ -356,7 +356,7 @@ static int __devexit pcf50633_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id pcf50633_id_table[] = {
+static const struct i2c_device_id pcf50633_id_table[] = {
 	{"pcf50633", 0x73},
 	{/* end of list */}
 };

drivers/mfd/wl1273-core.c

@@ -25,7 +25,7 @@
 
 #define DRIVER_DESC "WL1273 FM Radio Core"
 
-static struct i2c_device_id wl1273_driver_id_table[] = {
+static const struct i2c_device_id wl1273_driver_id_table[] = {
 	{ WL1273_FM_DRIVER_NAME, 0 },
 	{ }
 };