Report the 'express endpoint' capability if on a PCIE bus.
Signed-off-by: NShmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Message-Id: <1449994112-7054-6-git-send-email-shmulik.ladkani@ravellosystems.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>