arm64: dts: qcom: sm8550: describe all PCI MSI interrupts

arm64: dts: qcom: sm8550: describe all PCI MSI interrupts

Each group of MSI interrupts is mapped to the separate host interrupt.
Describe each of interrupts in the device tree for PCIe hosts.  Only
boot tested on hardware.

Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240126-b4-dt-bindings-pci-qcom-split-dts-v2-5-0bb067f73adb@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>