fix meanings and SEA vti mapping

- tt:value (VTI temperatures from SEA) should not be sample T
- VTI meaning must be ['temperature_regulation',20]
- stick ts meaning must be ['temperature', 30]

Change-Id: Ib6d662bb27d898958c62c02878d9551161cbc8c2

cfg/main/ill5_cfg.py

@@ -12,6 +12,7 @@ Mod('sea_main',
 Mod('tt',
     'frappy_psi.sea.SeaDrivable', '',
     io='sea_main',
+    meaning=['temperature_regulation', 20],
     sea_object='tt',
     rel_paths=['tm', 'set', 'dblctrl'],
 )