i2c: Get rid of struct i2c_client_address_data

Struct i2c_client_address_data only contains one field at this point,
which makes its usefulness questionable. Get rid of it and pass simple
address lists around instead.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
index b508931..3827ce4 100644
--- a/drivers/hwmon/ads7828.c
+++ b/drivers/hwmon/ads7828.c
@@ -183,7 +183,7 @@
 	.remove = ads7828_remove,
 	.id_table = ads7828_id,
 	.detect = ads7828_detect,
-	.address_data = &addr_data,
+	.address_list = normal_i2c,
 };
 
 /* Return 0 if detection is successful, -ENODEV otherwise */