dt-bindings: net: dp83822: Deprecate ti,fiber-mode

The newly added ethernet-connector binding allows describing an Ethernet
connector with greater precision, and in a more generic manner, than
ti,fiber-mode. Deprecate this property.

Reviewed-by: Rob Herring (Arm) <[e-mail]>
Reviewed-by: Christophe Leroy <[e-mail]>
Tested-by: Christophe Leroy <[e-mail]>
Signed-off-by: Maxime Chevallier <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

Documentation/devicetree/bindings/net/ti,dp83822.yaml

···
        is disabled.
        In fiber mode, auto-negotiation is disabled and the PHY can only work in
        100base-fx (full and half duplex) modes.
+       This property is deprecated, for details please refer to
+       Documentation/devicetree/bindings/net/ethernet-connector.yaml
+    deprecated: true
 
   rx-internal-delay-ps:
     description: |
···
         tx-internal-delay-ps = <1>;
         ti,gpio2-clk-out = "xi";
         mac-termination-ohms = <43>;
+        mdi {
+          connector-0 {
+            media = "BaseF";
+          };
+        };
       };
     };
-
 ...