Merge changes from topic "kc/stmm"

* changes:
  refactor: move StMM to cactus tertiary
  feat(hob): add boot-time prints for cactus-stmm HOB list
  refactor(cactus): map boot information regions
  feat(hob): add HOB definitions to TFTF
  feat(spm): add STMM cactus partition