arm64: dts: qcom: Add missing "-thermal" suffix for thermal zones

The thermal devicetree binding requires the "-thermal" suffix for all
thermal zones. Hence, add the missing suffix for PMIC based thermal
zones.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210118051005.55958-8-manivannan.sadhasivam@linaro.org


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