dt-bindings: thermal: tsens: Add compatible for SM6375

The Qualcomm SM6375 platform has two instances of the tsens v2.8.0 block,
add a compatible for these instances.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230516-topic-lost_tsens_bindings-v1-2-99715746ddb1@linaro.org