qemu: fix stupid typos in VFIO cgroup setup/teardown
qemu: fix stupid typos in VFIO cgroup setup/teardown

I must have looked at this a couple dozen times before I noticed it
had "!=" instead of "==". Not doing this setup prevented qemu from
doing anything with the vfio group device.

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