dt-bindings: firmware: qcom,scm: document SCM on X1E80100 SoCs

Document scm compatible for X1E80100 SoCs.

Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Reviewed-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Documentation/devicetree/bindings/firmware/qcom,scm.yaml

@@ -64,6 +64,7 @@ properties:
           - qcom,scm-sm8450
           - qcom,scm-sm8550
           - qcom,scm-qcs404
+          - qcom,scm-x1e80100
       - const: qcom,scm
 
   clocks:
@@ -189,6 +190,7 @@ allOf:
                 - qcom,scm-sc8280xp
                 - qcom,scm-sm8450
                 - qcom,scm-sm8550
+                - qcom,scm-x1e80100
     then:
       properties:
         interconnects: false