mfd: smsc-ece: Use devm_of_platform_populate()

Use devm_of_platform_populate() to be sure that of_platform_depopulate
is called when removing the driver.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/smsc-ece1099.c

@@ -69,8 +69,7 @@ static int smsc_i2c_probe(struct i2c_client *i2c,
 
 #ifdef CONFIG_OF
 	if (i2c->dev.of_node)
-		ret = of_platform_populate(i2c->dev.of_node,
-					   NULL, NULL, &i2c->dev);
+		ret = devm_of_platform_populate(&i2c->dev);
 #endif
 
 	return ret;