src/xenxs: Refactor code parsing OS config
src/xenxs: Refactor code parsing OS config

introduce function
  xenParseXMOS(virConfPtr conf,...........);
which parses the OS config instead

Signed-off-by: Kiarie Kahurani <c9add1accb912784264f310f617467d4c47149ea@gmail.com>

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