qemu: Only check for NUMA availability if required
qemu: Only check for NUMA availability if required

We only care about NUMA availability if NUMA configuration is requested
in domain XML.

leilihh/libvirt,danwent/libvirt-ovs,novel/fbsd-libvirt,wiedi/libvirt,andreabolognani/libvirt,novel/fbsd-libvirt,siboulet/libvirt-openvz,rmarwaha/libvirt,nertpinx/libvirt,jfehlig/libvirt,wiedi/libvirt,libvirt/libvirt,usc-isi/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,bjzhang/libvirt,VenkatDatta/libvirt,elmarco/libvirt,andreabolognani/libvirt,usc-isi/libvirt,dumbbell/libvirt,eskultety/libvirt,jeckersb/libvirt,rmarwaha/libvirt1,foomango/libvirt,VenkatDatta/libvirt,emaste/libvirt,nertpinx/libvirt,iam-TJ/libvirt,foomango/libvirt,dumbbell/libvirt,cbosdo/libvirt,soulxu/libvirt-xuhj,jfehlig/libvirt,taget/libvirt,jeckersb/libvirt,warewolf/libvirt,shugaoye/libvirt,bjzhang/libvirt,datto/libvirt,soulxu/libvirt-xuhj,taget/libvirt,rlaager/libvirt,olafhering/libvirt,foomango/libvirt,rmarwaha/libvirt1,jeckersb/libvirt,datto/libvirt,zippy2/libvirt,jeckersb/libvirt,jfehlig/libvirt,iam-TJ/libvirt,zippy2/libvirt,rmarwaha/libvirt,zhlcindy/libvirt-1.1.4-maintain,agx/libvirt,emaste/libvirt,elmarco/libvirt,warewolf/libvirt,zhlcindy/libvirt-1.1.4-maintain,agx/libvirt,rmarwaha/libvirt,leilihh/libvirt,kantai/libvirt-vfork,iam-TJ/libvirt,andreabolognani/libvirt,leilihh/libvirt,bjzhang/libvirt,dumbbell/libvirt,trainstack/libvirt,danwent/libvirt-ovs,wiedi/libvirt,VenkatDatta/libvirt,rmarwaha/libvirt,crobinso/libvirt,taget/libvirt,rlaager/libvirt,VenkatDatta/libvirt,rlaager/libvirt,cbosdo/libvirt,rlaager/libvirt,rmarwaha/libvirt1,agx/libvirt,nertpinx/libvirt,jardasgit/libvirt,novel/fbsd-libvirt,taget/libvirt,trainstack/libvirt,libvirt/libvirt,iam-TJ/libvirt,siboulet/libvirt-openvz,olafhering/libvirt,wiedi/libvirt,iam-TJ/libvirt,danwent/libvirt-ovs,soulxu/libvirt-xuhj,kantai/libvirt-vfork,taget/libvirt,zippy2/libvirt,shugaoye/libvirt,zhlcindy/libvirt-1.1.4-maintain,jeckersb/libvirt,emaste/libvirt,fabianfreyer/libvirt,siboulet/libvirt-openvz,usc-isi/libvirt,dumbbell/libvirt,novel/fbsd-libvirt,novel/fbsd-libvirt,fabianfreyer/libvirt,siboulet/libvirt-openvz,elmarco/libvirt,novel/fbsd-libvirt,bjzhang/libvirt,crobinso/libvirt,trainstack/libvirt,wiedi/libvirt,agx/libvirt,warewolf/libvirt,datto/libvirt,soulxu/libvirt-xuhj,novel/fbsd-libvirt,dumbbell/libvirt,emaste/libvirt,zhlcindy/libvirt-1.1.4-maintain,warewolf/libvirt,elmarco/libvirt,warewolf/libvirt,zippy2/libvirt,rmarwaha/libvirt1,usc-isi/libvirt,soulxu/libvirt-xuhj,elmarco/libvirt,cbosdo/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,datto/libvirt,wiedi/libvirt,leilihh/libvirt,leilihh/libvirt,shugaoye/libvirt,nertpinx/libvirt,jeckersb/libvirt,jfehlig/libvirt,kantai/libvirt-vfork,warewolf/libvirt,jeckersb/libvirt,zhlcindy/libvirt-1.1.4-maintain,danwent/libvirt-ovs,olafhering/libvirt,iam-TJ/libvirt,eskultety/libvirt,trainstack/libvirt,foomango/libvirt,wiedi/libvirt,danwent/libvirt-ovs,kantai/libvirt-vfork,fabianfreyer/libvirt,foomango/libvirt,jardasgit/libvirt,siboulet/libvirt-openvz,crobinso/libvirt,rmarwaha/libvirt,trainstack/libvirt,shugaoye/libvirt,kantai/libvirt-vfork,agx/libvirt,fabianfreyer/libvirt,eskultety/libvirt,rlaager/libvirt,datto/libvirt,andreabolognani/libvirt,emaste/libvirt,nertpinx/libvirt,libvirt/libvirt,olafhering/libvirt,dumbbell/libvirt,shugaoye/libvirt,crobinso/libvirt,eskultety/libvirt,trainstack/libvirt,cbosdo/libvirt,jardasgit/libvirt,warewolf/libvirt,rmarwaha/libvirt1,rmarwaha/libvirt,iam-TJ/libvirt,libvirt/libvirt,emaste/libvirt,emaste/libvirt,leilihh/libvirt,bjzhang/libvirt,novel/fbsd-libvirt,novel/fbsd-libvirt,trainstack/libvirt,jardasgit/libvirt,usc-isi/libvirt,rmarwaha/libvirt1,cbosdo/libvirt,eskultety/libvirt