dt-bindings: net: dsa: document additional Microchip KSZ8563 switch

It is a 3-Port 10/100 Ethernet Switch with 1588v2 PTP.

Signed-off-by: Razvan Stefanescu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: RazvanStef

Documentation/devicetree/bindings/net/dsa/ksz.txt

@@ -12,6 +12,7 @@ Required properties:
   - "microchip,ksz8565"
   - "microchip,ksz9893"
   - "microchip,ksz9563"
+  - "microchip,ksz8563"
 
 Optional properties: