dt-bindings: phy: qcom,snps-eusb2-phy: Add phys property for the repeater

The phys property is used for allowing the eusb2 to interface
with the repeater, which is modelled as a phy driver.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230208190200.2966723-4-abel.vesa@linaro.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

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

@@ -33,6 +33,11 @@ properties:
   resets:
     maxItems: 1
 
+  phys:
+    maxItems: 1
+    description:
+      Phandle to eUSB2 to USB 2.0 repeater
+
   vdd-supply:
     description:
       Phandle to 0.88V regulator supply to PHY digital circuit.