Add support fot GB200 NVIDIA GPUs

[rsmontero]

Description
This issue is to support the creation of KVM domains with GB200 cards in PCI-passthrough. It needs:

• Review PCIe topology
• IOMMU devices
• Not shared NUM_NODES for the GPUs
• ...

Progress Status

• Code committed
• Testing - QA
• Documentation (Release notes - resolved issues, compatibility, known issues)