fbdevhw: Refuse to touch PCI devices on the fallback probe path
Fixes: xorg/driver/xf86-video-fbdev#9 Signed-off-by: Adam Jackson <ajax@redhat.com> (cherry picked from commit fc78bcca)
Fixes: xorg/driver/xf86-video-fbdev#9 Signed-off-by: Adam Jackson <ajax@redhat.com> (cherry picked from commit fc78bcca)