This BQL patch is based on work done by Tino Reichardt.

Tested on 0000:05:00.0: 3Com PCI 3c905C Tornado at ffffc90000e6e000 by running
Flent several times.
Signed-off-by: NLoganaden Velvindron <logan@elandsys.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>