secboot-ioactive-20221109
[pci] Support systems with multiple PCI root bridges
[efi] Clear DMA-coherent buffers before mapping
[malloc] Rename malloc_dma() to malloc_phys()
[pci] Generalise pci_num_bus() to pci_discover()
[settings] Support formatting UUIDs as little-endian GUIDs
[xen] Avoid infinite loop on allocation failure in xenstore_response()