ARM: sunxi: Add uart1 pinctrl groups

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/sun5i-a13.dtsi

@@ -24,6 +24,20 @@ pinctrl@01c20800 {
 			reg = <0x01c20800 0x400>;
 			#address-cells = <1>;
 			#size-cells = <0>;
+
+			uart1_pins_a: uart1@0 {
+				allwinner,pins = "PE10", "PE11";
+				allwinner,function = "uart1";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			uart1_pins_b: uart1@1 {
+				allwinner,pins = "PG3", "PG4";
+				allwinner,function = "uart1";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
 		};
 	};
 };