dt-bindings: net: qcom,ipa: add support for SM8350

Add support for "qcom,sm8350-ipa", which uses IPA v4.9.

Use "enum" rather than "oneOf/const ..." to specify compatible
strings, as suggested by Rob Herring.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/qcom,ipa.yaml

@@ -43,11 +43,12 @@ description:
 
 properties:
   compatible:
-    oneOf:
-      - const: "qcom,sc7180-ipa"
-      - const: "qcom,sc7280-ipa"
-      - const: "qcom,sdm845-ipa"
-      - const: "qcom,sdx55-ipa"
+    enum:
+      - qcom,sc7180-ipa
+      - qcom,sc7280-ipa
+      - qcom,sdm845-ipa
+      - qcom,sdx55-ipa
+      - qcom,sm8350-ipa
 
   reg:
     items: