Provide setf functions for the PCI config space.
Provide setf functions for the PCI config space.

Make the reader functions use the correct width IO-PORT functions.

froggey/Mezzano,varjagg/Mezzano,varjagg/Mezzano,rvedam/Mezzano,rvedam/Mezzano,froggey/Mezzano,AugustusHuang/Mezzano,AugustusHuang/Mezzano