ARM: dts: qcom: Use GIC_SPI for interrupt-map for readability

ARM: dts: qcom: Use GIC_SPI for interrupt-map for readability

Decoding interrupt-map is tricky, because it consists of five
components.  Use known GIC_SPI define in final interrupt specifier
component makes easier to read.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250822-dts-interrupt-address-cells-v1-15-d54d44b74460@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>