PCI: enabling lookup of virtual functions for e10k.
PCI: enabling lookup of virtual functions for e10k.

Hardcoded check to skip discovery if BARs of VFS removed.
E10k now works because since we use advanced descriptors

Signed-off-by: Roni Häcki <ac1438dbed87008d3b9d6c77a0ffddf380f86b06@inf.ethz.ch>

BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish