dt-bindings: qcom,pdc: Add compatible for SM8150

Add the compatible string for SM8150 SoC from Qualcomm.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20220226184028.111566-2-bhupesh.sharma@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>