Add following additional functions to move out the implementation from
aspeed_mdio_read() and aspeed_mdio_write().
c22:
- aspeed_mdio_read_c22()
- aspeed_mdio_write_c22()
c45:
- aspeed_mdio_read_c45()
- aspeed_mdio_write_c45()
Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>