arm64: defconfig: enable PDC interrupt controller for Qualcomm SDM845

Enable PDC interrupt controller for SDM845 devices. The interrupt
controller can detect wakeup capable interrupts when the SoC is in a low
power state.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1573855915-9841-13-git-send-email-ilina@codeaurora.org


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