cpu_map.xml: Expand Nehalem CPU model
cpu_map.xml: Expand Nehalem CPU model

Inheritance among CPU model is cool but it makes reviewing CPU model
definitions and comparing them to CPU models from QEMU rather hard and
unpleasant. Let's define all CPU models from scratch.

Signed-off-by: Jiri Denemark <62bdf77dc47919a4d59a91822129d14633cfca81@redhat.com>

datto/libvirt,olafhering/libvirt,rlaager/libvirt,VenkatDatta/libvirt,crobinso/libvirt,eskultety/libvirt,rlaager/libvirt,agx/libvirt,nertpinx/libvirt,andreabolognani/libvirt,crobinso/libvirt,fabianfreyer/libvirt,eskultety/libvirt,taget/libvirt,rlaager/libvirt,taget/libvirt,fabianfreyer/libvirt,eskultety/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,taget/libvirt,libvirt/libvirt,zippy2/libvirt,datto/libvirt,zippy2/libvirt,libvirt/libvirt,agx/libvirt,eskultety/libvirt,olafhering/libvirt,libvirt/libvirt,olafhering/libvirt,datto/libvirt,jardasgit/libvirt,crobinso/libvirt,jfehlig/libvirt,taget/libvirt,jfehlig/libvirt,rlaager/libvirt,andreabolognani/libvirt,nertpinx/libvirt,agx/libvirt,jardasgit/libvirt,andreabolognani/libvirt,jfehlig/libvirt,nertpinx/libvirt,andreabolognani/libvirt,datto/libvirt,VenkatDatta/libvirt,VenkatDatta/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,agx/libvirt,eskultety/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,taget/libvirt,zippy2/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,olafhering/libvirt,agx/libvirt,jardasgit/libvirt,libvirt/libvirt,datto/libvirt,crobinso/libvirt,jardasgit/libvirt,rlaager/libvirt,zippy2/libvirt