[intelxl] Allow for virtual function admin queue register maps
The register map for the virtual functions appears to have been
constructed using a random number generator.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[intelxl] Use VLAN tag in receive descriptor if present
The physical function driver does not allow the virtual function to
request that VLAN tags are left unstripped. Extract and use the VLAN
tag from the receive descriptor if present.
Signed-off-by: Michael Brown <mcb30@ipxe.org>