dt-bindings: arm-smmu: fix SM8[45]50 GPU SMMU if condition

The if condition for the SM8[45]50 GPU SMMU is too large,
add the other compatible strings to the condition to only
allow the clocks for the GPU SMMU nodes.

Fixes: 4fff78dc ("dt-bindings: arm-smmu: Document SM8[45]50 GPU SMMU")
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/578686/Signed-off-by: Rob Clark <robdclark@chromium.org>

Documentation/devicetree/bindings/iommu/arm,smmu.yaml

@@ -484,7 +484,12 @@ allOf:
   - if:
       properties:
         compatible:
-          const: qcom,sm8450-smmu-500
+          items:
+            - const: qcom,sm8450-smmu-500
+            - const: qcom,adreno-smmu
+            - const: qcom,smmu-500
+            - const: arm,mmu-500
+
     then:
       properties:
         clock-names:
@@ -508,7 +513,11 @@ allOf:
   - if:
       properties:
         compatible:
-          const: qcom,sm8550-smmu-500
+          items:
+            - const: qcom,sm8550-smmu-500
+            - const: qcom,adreno-smmu
+            - const: qcom,smmu-500
+            - const: arm,mmu-500
     then:
       properties:
         clock-names: