conf: Ignore device address for model=none usb controller and memballon
conf: Ignore device address for model=none usb controller and memballon

It make no sense at all to have it there.

Signed-off-by: Luyao Huang <23d9981432efa88691fd2a71f5525bc2174f7664@redhat.com>

jardasgit/libvirt,VenkatDatta/libvirt,datto/libvirt,andreabolognani/libvirt,crobinso/libvirt,eskultety/libvirt,libvirt/libvirt,olafhering/libvirt,libvirt/libvirt,andreabolognani/libvirt,jfehlig/libvirt,jfehlig/libvirt,zippy2/libvirt,zippy2/libvirt,eskultety/libvirt,shugaoye/libvirt,eskultety/libvirt,taget/libvirt,libvirt/libvirt,rlaager/libvirt,taget/libvirt,agx/libvirt,fabianfreyer/libvirt,taget/libvirt,VenkatDatta/libvirt,agx/libvirt,shugaoye/libvirt,elmarco/libvirt,jardasgit/libvirt,datto/libvirt,olafhering/libvirt,fabianfreyer/libvirt,libvirt/libvirt,andreabolognani/libvirt,datto/libvirt,crobinso/libvirt,datto/libvirt,elmarco/libvirt,shugaoye/libvirt,olafhering/libvirt,rlaager/libvirt,elmarco/libvirt,datto/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,shugaoye/libvirt,jfehlig/libvirt,jfehlig/libvirt,andreabolognani/libvirt,elmarco/libvirt,andreabolognani/libvirt,rlaager/libvirt,nertpinx/libvirt,crobinso/libvirt,nertpinx/libvirt,taget/libvirt,olafhering/libvirt,jardasgit/libvirt,agx/libvirt,rlaager/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,shugaoye/libvirt,rlaager/libvirt,crobinso/libvirt,zippy2/libvirt,agx/libvirt,eskultety/libvirt,fabianfreyer/libvirt,elmarco/libvirt,taget/libvirt,agx/libvirt,zippy2/libvirt,eskultety/libvirt,nertpinx/libvirt,jardasgit/libvirt,nertpinx/libvirt,fabianfreyer/libvirt