pinctrl: madera: Set is_generic

We are using the generic pin configuration interface so
we can set is_generic.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/cirrus/pinctrl-madera-core.c

@@ -971,10 +971,10 @@ static int madera_pin_conf_group_set(struct pinctrl_dev *pctldev,
 }
 
 static const struct pinconf_ops madera_pin_conf_ops = {
+	.is_generic = true,
 	.pin_config_get = madera_pin_conf_get,
 	.pin_config_set = madera_pin_conf_set,
 	.pin_config_group_set = madera_pin_conf_group_set,
-
 };
 
 static struct pinctrl_desc madera_pin_desc = {