dt-bindings: soc: qcom: qcom,pmic-glink: document QCM6490 compatible

Document the QCM6490 compatible used to describe the pmic glink on this
platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20240208-fp5-pmic-glink-v2-1-4837d4abd5a4@fairphone.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml

@@ -23,6 +23,7 @@ properties:
     oneOf:
       - items:
           - enum:
+              - qcom,qcm6490-pmic-glink
               - qcom,sc8180x-pmic-glink
               - qcom,sc8280xp-pmic-glink
               - qcom,sm8350-pmic-glink