Fix libxl driver for virArch changes
Fix libxl driver for virArch changes

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