ARM: dts: omap3-gta04: Add wifi reset node

Define gpio node in tca6507 which will be used as
wifi reset pin.
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap3-gta04.dts

@@ -196,6 +196,9 @@ tca6507@45 {
 		#size-cells = <0>;
 		reg = <0x45>;
 
+		gpio-controller;
+		#gpio-cells = <2>;
+
 		gta04_led0: red_aux@0 {
 			label = "gta04:red:aux";
 			reg = <0x0>;
@@ -216,6 +219,11 @@ gta04_led4: green_power@4 {
 			label = "gta04:green:power";
 			reg = <0x4>;
 		};
+
+		wifi_reset: wifi_reset@6 {
+			reg = <0x6>;
+			compatible = "gpio";
+		};
 	};
 
 	/* compass aka magnetometer */