xen: Add interface versions for Xen 4.3
xen: Add interface versions for Xen 4.3

Xen 4.3 changes sysctl version to 10 and domctl version to 9. Update
the hypervisor driver to work with those.

Signed-off-by: Stefan Bader <00beb3b1b08625be3b68f3989c75be8de7f2fd89@canonical.com>

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