EFI provides support for providing PCI ROMs via means other than the ROM
BAR. This support vanishes after we've exited boot services, so add support
for stashing copies of the ROMs in setup_data if they're not otherwise
available.
Signed-off-by: NMatthew Garrett <mjg@redhat.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Tested-by: NSeth Forshee <seth.forshee@canonical.com>