Merge changes from topic "mb/tos-fw-config-load-refactor" into integration

* changes:
  feat(spmd): map SPMC manifest region as EL3_PAS
  feat(fvp): update device tree with load addresses of TOS_FW config
  refactor(fvp): rename the DTB info structure member
  feat(fconf): rename 'ns-load-address' to 'secondary-load-address'