i2c: rk3x: Fix module autoload for OF platform driver

This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: NLuis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-rk3x.c

@@ -858,6 +858,7 @@ static const struct of_device_id rk3x_i2c_match[] = {
 	{ .compatible = "rockchip,rk3288-i2c", .data = (void *)&soc_data[2] },
 	{},
 };
+MODULE_DEVICE_TABLE(of, rk3x_i2c_match);
 
 static int rk3x_i2c_probe(struct platform_device *pdev)
 {