Merge changes from topic "ar/errata_refactor" into integration

* changes:
  fix(cpus): workaround for Neoverse N2 erratum 2779511
  fix(errata-abi): added Neoverse N2 to Errata ABI list
  fix(cpus): workaround for Neoverse N2 erratum 2743014
  fix(docs): updated certain Neoverse N2 erratum status in docs
  refactor(cpus): convert Neoverse N2 to use CPU helpers
  refactor(cpus): convert Neoverse N2 to framework
  refactor(cpus): reorder Neoverse N2 errata by ascending order