ARM: dts: qcom: msm8226: Add thermal zones node

Add thermal zones present on MSM8226 SoC.

Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230507201225.89694-7-matti.lehtimaki@gmail.com