dt-bindings: mmc: sdhci-msm: Document the SM8550 compatible

Document the compatible for SDHCI on SM8550.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221114-narmstrong-sm8550-upstream-sdhci-v1-0-797864a30e71@linaro.orgSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Documentation/devicetree/bindings/mmc/sdhci-msm.yaml

@@ -51,6 +51,7 @@ properties:
               - qcom,sm8250-sdhci
               - qcom,sm8350-sdhci
               - qcom,sm8450-sdhci
+              - qcom,sm8550-sdhci
           - const: qcom,sdhci-msm-v5 # for sdcc version 5.0
 
   reg: