arm64: dts: qcom: sa8775p: Make watchdog bark interrupt edge triggered

As described in the patch ("arm64: dts: qcom: sc7180: Make watchdog
bark interrupt edge triggered"), the Qualcomm watchdog timer's bark
interrupt should be configured as edge triggered. Make the change.

Fixes: 09b701b8 ("arm64: dts: qcom: sa8775p: add the watchdog node")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20231106144335.v2.6.I909b7c4453d7b7fb0db4b6e49aa21666279d827d@changeid


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