dt-bindings: net: dsa: microchip: Add KSZ8463 switch support

KSZ8463 switch is a 3-port switch based from KSZ8863.  Its register
access is significantly different from the other KSZ SPI switches.

Signed-off-by: Tristram Ha <tristram.ha@microchip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250725001753.6330-2-Tristram.Ha@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: triha2work

Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml

@@ -18,6 +18,7 @@ properties:
   # required and optional properties.
   compatible:
     enum:
+      - microchip,ksz8463
       - microchip,ksz8765
       - microchip,ksz8794
       - microchip,ksz8795