arm64: dts: qcom: msm8996: Add missing interrupt to the USB2 controller

The interrupt line was previously not described. Take care of that.

Fixes: 1e39255e ("arm64: dts: msm8996: Add device node for qcom,dwc3")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230627-topic-more_bindings-v1-11-6b4b6cd081e5@linaro.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>