hwmon: ina209: move binding docs to proper place

The I2C dir is not for I2C client devices! Move it to the proper folder.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/Documentation/devicetree/bindings/i2c/ina209.txt b/Documentation/devicetree/bindings/hwmon/ina209.txt
similarity index 100%
rename from Documentation/devicetree/bindings/i2c/ina209.txt
rename to Documentation/devicetree/bindings/hwmon/ina209.txt