dt-bindings: net: sparx5: don't require a reset line

Make the reset line optional. It turns out, there is no dedicated reset
for the switch. Instead, the reset which was used up until now, was kind
of a global reset. This is now handled elsewhere, thus don't require a
reset.
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml

@@ -130,8 +130,6 @@ required:
   - reg-names
   - interrupts
   - interrupt-names
-  - resets
-  - reset-names
   - ethernet-ports
 
 additionalProperties: false