arm64: dts: qcom: setup PDC as the wakeup parent for TLMM on SDM845

PDC always-on interrupt controller can detect certain GPIOs even when
the TLMM interrupt controller is powered off. Link the PDC as TLMM's
wakeup parent.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1573855915-9841-12-git-send-email-ilina@codeaurora.org


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