latest commit of changes from here

[ron minnich]

I note that there is a hack that was allowed to creep in related to VGA,
and it will be removed shortly. However, those of you with AGP on HT link
0 will find it very useful. Also, note that there is now an
amdk8_enable_resources, due to the need for special VGA init on the K8
northbridge (i.e. you don't just set PCI_BRIDGE_CONTROL and have it all
work; you have to set some routing in an iopair and set up an mmiopair for
VGA to work).

These northbridge fixes are the first required step in getting VGA/AGP
support done for LinuxBIOS.

ron