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/stick/ma6stick_cfg.py

@@ -21,6 +21,7 @@ Mod('tsam',
 Mod('ts',
     'frappy_psi.parmod.Converging',
     'drivable stick T using setsamp',
+    meaning=['temperature', 30],
     unit='K',
     read='tsam.value',
     write='tsam.setsamp',