acpi: Configure and enable PCI interrupt link devices
acpi: Configure and enable PCI interrupt link devices

This includes an utterly lame IRQ allocator, but it will do unless we
actually need to oversubscribe PCI IRQs.

aclements/sv6,bowlofstew/sv6,bowlofstew/sv6,aclements/sv6,bowlofstew/sv6,aclements/sv6,aclements/sv6,bowlofstew/sv6,bowlofstew/sv6,aclements/sv6