Merge changes from topic "lw/cca_cot" into integration

* changes:
  feat(arm): retrieve the right ROTPK for cca
  feat(arm): add support for cca CoT
  feat(arm): provide some swd rotpk files
  build(tbbr): drive cert_create changes for cca CoT
  refactor(arm): add cca CoT certificates to fconf
  feat(fiptool): add cca, core_swd, plat cert in FIP
  feat(cert_create): define the cca chain of trust
  feat(cca): introduce new "cca" chain of trust
  build(changelog): add new scope for CCA
  refactor(fvp): increase bl2 size when bl31 in DRAM