i2c-iop3xx: Set I2C_CLASS_HWMON to adapter class

In order to be able to use sensors on the IOP3xx SoCs, one needs to set
the adapter class to I2C_CLASS_HWMON.
Signed-off-by: NArnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: NJean Delvare <khali@linux-fr.org>

drivers/i2c/busses/i2c-iop3xx.c

@@ -490,6 +490,7 @@ iop3xx_i2c_probe(struct platform_device *pdev)
 	memcpy(new_adapter->name, pdev->name, strlen(pdev->name));
 	new_adapter->id = I2C_HW_IOP3XX;
 	new_adapter->owner = THIS_MODULE;
+	new_adapter->class = I2C_CLASS_HWMON;
 	new_adapter->dev.parent = &pdev->dev;
 	new_adapter->nr = pdev->id;