ARM: dts: omap5-uevm.dts: add tca6424a

omap5-uevm has a tca6424a I/O expander. Add it to the .dts file.
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap5-uevm.dts

@@ -434,6 +434,13 @@
 	pinctrl-0 = <&i2c5_pins>;
 
 	clock-frequency = <400000>;
+
+	gpio9: gpio@22 {
+		compatible = "ti,tca6424";
+		reg = <0x22>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
 };
 
 &mcbsp3 {