Merge changes from topic "sm/errata_refactor" into integration

* changes:
  refactor(cpus): convert Cortex-A15 to use the errata framework
  refactor(cpus): convert the Cortex-X3 to use the cpu helpers
  refactor(cpus): convert Cortex-X3 to use the errata framework
  refactor(cpus): reorder Cortex-X3 errata by ascending order
  refactor(cpus): convert the Cortex-A73 to use the cpu helpers
  refactor(cpus): convert Cortex-A73 to use the errata framework
  refactor(cpus): reorder Cortex-A73 errata by ascending order
  refactor(cpus): convert the Cortex-A35 to use the cpu helpers
  refactor(cpus): convert Cortex-A35 to use the errata framework