dt-bindings: phy: qcom,qusb2: Add compatibles for QUSB2 V2 phy and SC7180

Add compatibles for generic QUSB2 V2 phy which can be used for
sdm845 and sc7180.

Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml

@@ -15,10 +15,16 @@ description:
 
 properties:
   compatible:
-    enum:
-      - qcom,msm8996-qusb2-phy
-      - qcom,msm8998-qusb2-phy
-      - qcom,sdm845-qusb2-phy
+    oneOf:
+      - items:
+        - enum:
+          - qcom,msm8996-qusb2-phy
+          - qcom,msm8998-qusb2-phy
+      - items:
+        - enum:
+          - qcom,sc7180-qusb2-phy
+          - qcom,sdm845-qusb2-phy
+        - const: qcom,qusb2-v2-phy
   reg:
     maxItems: 1