dt-bindings: net: phy: The interrupt property is not mandatory

Unlike what was initially claimed in the PHY binding, the interrupt
property of a PHY can be omitted, and the OS will turn to polling instead.

Document that.

Reviewed-by: Andrew Lunn <[e-mail]>
Reviewed-by: Rob Herring <[e-mail]>
Signed-off-by: Maxime Ripard <[e-mail]>
Signed-off-by: Rob Herring <[e-mail]>

Documentation/devicetree/bindings/net/ethernet-phy.yaml

···
 
 required:
   - reg
-  - interrupts
 
 examples:
   - |