Patch 1/4 (Update to version 6.21)
* Add: Common module update
* Add: New function for PCI initialization (SkGeInitPCI)
* Add: Yukon Plus changes (ChipID, PCI...)
* Add: Code for DIAG tool
* Fix: Problems while unloading the linux driver
* Fix: PrefPort=B not allowed on single NICs
* Fix: Fixed Linux System crash when using vlans
* Fix: Remove useless register_netdev
* Fix: Initalize Board before network configuration
* Fix: Modifications regarding try_module_get() and capable()