arm64: dts: exynos2200: Add default GIC address cells

Add missing address-cells 0 to GIC interrupt node.  Value '0' is correct
because GIC interrupt controller does not have children.

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20250830093918.24619-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

arch/arm64/boot/dts/exynos/exynos2200.dtsi

@@ -274,6 +274,7 @@
 			reg = <0x10200000 0x10000>,     /* GICD */
 			      <0x10240000 0x200000>;    /* GICR * 8 */
 
+			#address-cells = <0>;
 			#interrupt-cells = <4>;
 			interrupt-controller;
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>;