Build: Remove conditional gaurding from manifest output files

interface/include/psa_manifest/sid.h.template
  - Remove conditional code gaurding as this type of style
    may create problem for partition developers if they don't
    have knowledge about the macros
  - Generate SID and version macro from service.name
secure_fw/services/manifestfilename.template
  - Remove conditional code gaurding
  - Generate SIGNAL macro from service.name
secure_fw/services/tfm_service_list.inc.template
  - Generate SIGNAL macro from service.name
  - Fix for unspecified minor policy
And re-generate manifest output files for above changes

Change-Id: Id367384ac76cb942da966e7619fb8090763ff0a7
Signed-off-by: Jaykumar Pitambarbhai Patel <jaykumar.pitambarbhaipatel@arm.com>