arm64: dts: qcom: sm8450-hdk: define DIE_TEMP channels

Declare the DIE_TEMP channels provided by PMICs. Use them to provide
temperature reading for the spmi-temp-alarm thermal zones.

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230707123027.1510723-8-dmitry.baryshkov@linaro.org


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