KSZ8563 have three port interrupts: PTP, PHY and ACL. Add
port_nirq as 3 for KSZ8563 inside ksz_chip_data.
Signed-off-by: NRakesh Sankaranarayanan <rakesh.sankaranarayanan@microchip.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>