add title=Add an expansion item

expansions entry

Type: type

PCIe Revision:	PCIe Lanes:	PCIe Configuration: (1 per entry)
pcie revision	pcie lanes	pcie config, pcie config 2, pcie config 3, pcie config 4, pcie config 5, pcie config 6, pcie config 7

USB Revision:	USB Ports:	USB Rate:	USB Extra:
usb revision usb revision 2	usb ports	usb rate	usb extra

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