r8169: improve handling of Abit Fatal1ty F-190HD

The Abit Fatal1ty F-190HD has a PCI ID quirk and the entry marks this
board as not GBit-capable, what is wrong. According to [0] the board
has a RTL8111B that is GBit-capable, therefore remove the
RTL_CFG_NO_GBIT flag.

[0] https://www.centos.org/forums/viewtopic.php?t=23390



Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>