dt-bindings: net: adin1110: Document reset

Document GPIO for HW reset.
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/adi,adin1110.yaml

@@ -46,6 +46,10 @@ properties:
   interrupts:
     maxItems: 1
 
+  reset-gpios:
+    maxItems: 1
+    description: GPIO connected to active low reset
+
 required:
   - compatible
   - reg