dt-bindings: mmc: sdhci-msm: add IPQ6018 compatible

IPQ6018 has a sdhci-msm compatible MMC controller. Add the appropriate
compatible to the documentation.
Signed-off-by: Mantas Pucka <mantas@8devices.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1682338412-15420-2-git-send-email-mantas@8devices.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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

@@ -36,6 +36,7 @@ properties:
           - enum:
               - qcom,ipq5018-sdhci
               - qcom,ipq5332-sdhci
+              - qcom,ipq6018-sdhci
               - qcom,ipq9574-sdhci
               - qcom,qcm2290-sdhci
               - qcom,qcs404-sdhci