When rgmii-rxid/txid/id phy-mode is used the MAC should not add RX
and/or TX delay. Currently RX/TX delay is configured as enabled using
zero as delay value for the rgmii-rxid/txid/id modes.
Change to disable RX and/or TX delay and using zero as delay value.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>