arm64: dts: qcom: sdm845: Add watchdog bark interrupt

Specify bark interrupt for APSS watchdog to support pre-timeout
notification on SDM845 SoC.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/7740e8ef57361d33da64e823b2356da2be0065b8.1611466260.git.saiprakash.ranjan@codeaurora.org


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