LXC: blkio: allow to setup weight_device
LXC: blkio: allow to setup weight_device

libivrt lxc can only set generic weight for container,
This patch allows user to setup per device blkio
weigh for container.

Signed-off-by: Gao feng <7e9c653c8ec3abfdd967a0616fd143ca77e7b405@cn.fujitsu.com>

elmarco/libvirt,andreabolognani/libvirt,nertpinx/libvirt,rlaager/libvirt,shugaoye/libvirt,zhlcindy/libvirt-1.1.4-maintain,jardasgit/libvirt,rlaager/libvirt,libvirt/libvirt,fabianfreyer/libvirt,zippy2/libvirt,crobinso/libvirt,fabianfreyer/libvirt,cbosdo/libvirt,taget/libvirt,crobinso/libvirt,elmarco/libvirt,cbosdo/libvirt,rlaager/libvirt,fabianfreyer/libvirt,zippy2/libvirt,eskultety/libvirt,zippy2/libvirt,jfehlig/libvirt,eskultety/libvirt,nertpinx/libvirt,olafhering/libvirt,VenkatDatta/libvirt,datto/libvirt,datto/libvirt,nertpinx/libvirt,nertpinx/libvirt,shugaoye/libvirt,andreabolognani/libvirt,taget/libvirt,VenkatDatta/libvirt,agx/libvirt,jardasgit/libvirt,datto/libvirt,elmarco/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,crobinso/libvirt,cbosdo/libvirt,cbosdo/libvirt,rlaager/libvirt,taget/libvirt,jardasgit/libvirt,zhlcindy/libvirt-1.1.4-maintain,VenkatDatta/libvirt,shugaoye/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,zhlcindy/libvirt-1.1.4-maintain,zhlcindy/libvirt-1.1.4-maintain,agx/libvirt,zippy2/libvirt,olafhering/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,eskultety/libvirt,VenkatDatta/libvirt,eskultety/libvirt,nertpinx/libvirt,taget/libvirt,elmarco/libvirt,jardasgit/libvirt,libvirt/libvirt,elmarco/libvirt,crobinso/libvirt,eskultety/libvirt,libvirt/libvirt,rlaager/libvirt,olafhering/libvirt,agx/libvirt,taget/libvirt,libvirt/libvirt,fabianfreyer/libvirt,cbosdo/libvirt,olafhering/libvirt,agx/libvirt,agx/libvirt,shugaoye/libvirt,datto/libvirt,datto/libvirt,jardasgit/libvirt,jfehlig/libvirt,jfehlig/libvirt,zhlcindy/libvirt-1.1.4-maintain,shugaoye/libvirt