hwmon: convert drivers/hwmon/* to use module_i2c_driver()

This patch converts the drivers in drivers/hwmon/* to use the
module_i2c_driver() macro which makes the code smaller and a bit simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Corentin Labbe <corentin.labbe@geomatys.fr>
Cc: Dirk Eibach <eibach@gdsys.de>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Steve Glendinning <steve.glendinning@smsc.com>
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Guillaume Ligneul <guillaume.ligneul@gmail.com>
Cc: David George <david.george@ska.ac.za>
Cc: "Hans J. Koch" <hjk@hansjkoch.de>
Cc: Marc Hulsman <m.hulsman@tudelft.nl>
Cc: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index da72dc1..fd26983 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -1611,22 +1611,10 @@
 	return data;
 }
 
-
-static int __init sm_lm85_init(void)
-{
-	return i2c_add_driver(&lm85_driver);
-}
-
-static void __exit sm_lm85_exit(void)
-{
-	i2c_del_driver(&lm85_driver);
-}
+module_i2c_driver(lm85_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
 	"Margit Schubert-While <margitsw@t-online.de>, "
 	"Justin Thiessen <jthiessen@penguincomputing.com>");
 MODULE_DESCRIPTION("LM85-B, LM85-C driver");
-
-module_init(sm_lm85_init);
-module_exit(sm_lm85_exit);