arm64: dts: exynos5433: Add default GIC address cells

arm64: dts: exynos5433: Add default GIC address cells

Add missing address-cells 0 to GIC interrupt node to silence W=1
warning:

  exynos5433-tm2-common.dtsi:1000.2-41: Warning (interrupt_map): /soc@0/pcie@15700000:interrupt-map:
    Missing property '#address-cells' in node /soc@0/interrupt-controller@11001000, using 0 as fallbac

Value '0' is correct because:
1. GIC interrupt controller does not have children,
2. interrupt-map property (in PCI node) consists of five components and
   the fourth component "parent unit address", which size is defined by
   '#address-cells' of the node pointed to by the interrupt-parent
   component, is not used (=0).

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20250822121423.228500-5-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>