ARM: dts: rockchip: add gpio-ir-receiver to the R89 board

Add support for the IR receiver present on the R89 board.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3288-r89.dts

@@ -78,6 +78,13 @@ button@0 {
 		};
 	};
 
+	ir: ir-receiver {
+		compatible = "gpio-ir-receiver";
+		gpios = <&gpio7 0 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ir_int>;
+	};
+
 	vcc_host: vcc-host-regulator {
 		compatible = "regulator-fixed";
 		enable-active-high;
@@ -310,6 +317,12 @@ pwrbtn: pwrbtn {
 		};
 	};
 
+	ir {
+		ir_int: ir-int {
+			rockchip,pins = <7 0 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
 	pmic {
 		pmic_int: pmic-int {
 			rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO &pcfg_pull_up>;