arm64: dts: qcom: sc7280: Add ADC channel nodes for PMIC temperatures to sc7280-idp

Add channel nodes for the on die temperatures of PMICS
pmk8350, pm8350, pmr735a and pmr735b.

Signed-off-by: satya priya <skakit@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/1621937466-1502-11-git-send-email-skakit@codeaurora.org


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