dt: thermal: tsens: Document compatible for MSM8976/56

Support for MSM8976 and MSM8956 (having tsens ip version 1) has
been added to the qcom tsens driver: document the addition here.
Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191005104133.30297-3-kholk11@gmail.com

Documentation/devicetree/bindings/thermal/qcom-tsens.yaml

@@ -29,6 +29,7 @@ properties:
       - description: v1 of TSENS
         items:
           - enum:
+              - qcom,msm8976-tsens
               - qcom,qcs404-tsens
           - const: qcom,tsens-v1
 
@@ -82,6 +83,7 @@ allOf:
             enum:
               - qcom,msm8916-tsens
               - qcom,msm8974-tsens
+              - qcom,msm8976-tsens
               - qcom,qcs404-tsens
               - qcom,tsens-v0_1
               - qcom,tsens-v1