dt-bindings: phy: qcom,snps-eusb2-phy: Add compatible for SDX75

Add a dt-bindings compatible string for the SDX75 SoC that
uses Synopsis eUSB2 PHY.
Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/1695359525-4548-2-git-send-email-quic_rohiagar@quicinc.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml

@@ -14,7 +14,12 @@ description:
 
 properties:
   compatible:
-    const: qcom,sm8550-snps-eusb2-phy
+    oneOf:
+      - items:
+          - enum:
+              - qcom,sdx75-snps-eusb2-phy
+          - const: qcom,sm8550-snps-eusb2-phy
+      - const: qcom,sm8550-snps-eusb2-phy
 
   reg:
     maxItems: 1