hwmon: Fix off-by-one kind values

Recent changes on the I2C front have left off-by-one array indexes in
3 hwmon drivers. Fix them.

Faulty commit:
e5e9f44c2 i2c: Drop I2C_CLIENT_INSMOD_2 to 8

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Andre Prendel <andre.prendel@gmx.de>
Cc: stable@kernel.org
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
index bb9760d..738c472 100644
--- a/drivers/hwmon/tmp421.c
+++ b/drivers/hwmon/tmp421.c
@@ -254,9 +254,9 @@
 		return -ENODEV;
 	}
 
-	strlcpy(info->type, tmp421_id[kind - 1].name, I2C_NAME_SIZE);
+	strlcpy(info->type, tmp421_id[kind].name, I2C_NAME_SIZE);
 	dev_info(&adapter->dev, "Detected TI %s chip at 0x%02x\n",
-		 names[kind - 1], client->addr);
+		 names[kind], client->addr);
 
 	return 0;
 }