ARM: dts: sun7i: add pinctrl for CAN in PA bank

This adds pinctrl settings for the CAN controller using pins
PA16 and PA17.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/sun7i-a20.dtsi

@@ -751,6 +751,12 @@ pio: pinctrl@1c20800 {
 			#interrupt-cells = <3>;
 			#gpio-cells = <3>;
 
+			/omit-if-no-ref/
+			can_pa_pins: can-pa-pins {
+				pins = "PA16", "PA17";
+				function = "can";
+			};
+
 			can_ph_pins: can-ph-pins {
 				pins = "PH20", "PH21";
 				function = "can";