arm64: dts: exynos: add interrupt-controller to WM5110 on TM2

The WM5110 bindings expect node to be interrupt controller:

  exynos5433-tm2.dtb: audio-codec@0: 'interrupt-controller' is a required property
  exynos5433-tm2.dtb: audio-codec@0: '#interrupt-cells' is a required property

Link: https://lore.kernel.org/r/20230120173116.341270-5-krzysztof.kozlowski@linaro.org


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>