i2c: Drop the kind parameter from detect callbacks

The "kind" parameter always has value -1, and nobody is using it any
longer, so we can remove it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 419ab54..f6f2c08 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -161,7 +161,7 @@
 	const struct i2c_device_id *id_table;
 
 	/* Device detection callback for automatic device creation */
-	int (*detect)(struct i2c_client *, int kind, struct i2c_board_info *);
+	int (*detect)(struct i2c_client *, struct i2c_board_info *);
 	const struct i2c_client_address_data *address_data;
 	struct list_head clients;
 };