arm64: dts: qcom: qcs404: add smp2p nodes

Add the smp2p-adsp, smp2p-cdsp and smp2p-wcss nodes found in QCS404.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>