arm64: dts: qcom: add PDC interrupt controller for SDM845

Add PDC interrupt controller device bindings for SDM845.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1573855915-9841-11-git-send-email-ilina@codeaurora.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>