dt-bindings: thermal: Add sm8150 compatible string for LMh

Extend the LMh dt binding document to include compatible string
supporting sm8150 SoC.

Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220106173138.411097-4-thara.gopinath@linaro.org


Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>