dt-bindings: usb: qcom,dwc3: add wakeup-source property

Add a wakeup-source property to the binding to describe whether the
wakeup interrupts can wake the system from suspend.
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJohan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220804151001.23612-8-johan+linaro@kernel.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/usb/qcom,dwc3.yaml

@@ -108,12 +108,17 @@ properties:
       HS/FS/LS modes are supported.
     type: boolean
 
+  wakeup-source: true
+
 # Required child node:
 
 patternProperties:
   "^usb@[0-9a-f]+$":
     $ref: snps,dwc3.yaml#
 
+    properties:
+      wakeup-source: false
+
 required:
   - compatible
   - reg