cpu_x86: Don't ignore parsing errors in x86FeatureLoad
cpu_x86: Don't ignore parsing errors in x86FeatureLoad

CPU map XML is our internal data file, it makes no sense to tolerate any
errors in it.

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

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