pinctrl: sunxi: Drop unused structure members

The ranges and nranges were never used. Remove them.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/drivers/pinctrl/pinctrl-sunxi.h b/drivers/pinctrl/pinctrl-sunxi.h
index 90040ac..4e24b9b 100644
--- a/drivers/pinctrl/pinctrl-sunxi.h
+++ b/drivers/pinctrl/pinctrl-sunxi.h
@@ -448,8 +448,6 @@
 struct sunxi_pinctrl_desc {
 	const struct sunxi_desc_pin	*pins;
 	int				npins;
-	struct pinctrl_gpio_range	*ranges;
-	int				nranges;
 	unsigned			pin_base;
 };