arm64: dts: qcom: sm8550: add GPR and LPASS pin controller

Add the ADSP GPR (Generic Packet Router) and LPASS LPI (Low Power Audio
SubSystem Low Power Island) pin controller nodes used as part of audio
subsystem on SM8550.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
[bjorn: Shortened stream mask, per Konrad's request]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230206150744.513967-1-krzysztof.kozlowski@linaro.org