arm64: dts: qcom: pm6150: Add thermal zone for PMIC on-die temperature

arm64: dts: qcom: pm6150: Add thermal zone for PMIC on-die temperature

Add a thermal zone for the pm6150 on-die temperature. The system should
try to shut down orderly when the temperature reaches the critical trip
point at 115°C, otherwise the PMIC will perform a HW power off at 145°C.

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20210603081215.v2.1.Id4510e9e4baaa3f6c9fdd5cdf4d8606e63c262e3@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>