dt-bindings: mmc: sdhci-msm: Document the SM8450 compatible

Document the compatible for SDHCI on SM8450.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220714123406.1919836-2-konrad.dybcio@somainline.orgSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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

@@ -45,6 +45,7 @@ properties:
               - qcom,sm6350-sdhci
               - qcom,sm8150-sdhci
               - qcom,sm8250-sdhci
+              - qcom,sm8450-sdhci
           - const: qcom,sdhci-msm-v5 # for sdcc version 5.0
 
   reg: