[Build]

• Implement amd_pci_dev_to_node_id from Kernel 6.14
• [CI] Pin build environment to ubuntu-22.04 (thanks @jlacvdr)
• Allow changing WARNING variable from command line (thanks @s-stepien)

[AMD]

• [Strix Point] Attempt to decode UMC and IOMMU controllers
• [Raphael] Adding Ryzen 5 7400F
• [Granite Ridge] Adding Ryzen 5 9600