Merge changes from topic "hob_creation_in_tf_a" into integration

* changes:
  feat(el3_spmc): ffa error handling in direct msg
  feat(ff-a): support FFA_MSG_SEND_DIRECT_REQ2/RESP2
  feat(ff-a): add FFA_MEM_PERM_GET/SET_SMC64
  feat(el3-spmc): support Hob list to boot S-EL0 SP
  feat(synquacer): add support Hob creation
  fix(fvp): exclude extend memory map TZC regions
  feat(fvp): add StandaloneMm manifest in fvp
  feat(spm): use xfer list with Hob list in SPM_MM