arm/dts: OMAP4: Update DTS file with new GIC bindings

The GIC binding was updated in 3.2 and expects 3 interrupt-cells.
- Update the #interrupt-cells
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>

arch/arm/boot/dts/omap4.dtsi

@@ -99,7 +99,7 @@ ocp {
 		gic: interrupt-controller@48241000 {
 			compatible = "arm,cortex-a9-gic";
 			interrupt-controller;
-			#interrupt-cells = <1>;
+			#interrupt-cells = <3>;
 			reg = <0x48241000 0x1000>,
 			      <0x48240100 0x0100>;
 		};