Add TermalSubsystem schema

Adds the ThermalSubsystem schema to the list of the supported schemas.

Tested: Code compiles.  Script generated change.

Signed-off-by: Xiaochao Ma <maxiaochao@inspur.com>
Signed-off-by: Ed Tanous <edtanous@google.com>

Change-Id: I4540fcaa57455ec95d4c8fff71429309c2eebce3
diff --git a/scripts/update_schemas.py b/scripts/update_schemas.py
index 8cd37e6..85cb71d 100755
--- a/scripts/update_schemas.py
+++ b/scripts/update_schemas.py
@@ -109,6 +109,7 @@
     'TaskService',
     'TelemetryService',
     'Thermal',
+    'ThermalSubsystem',
     'Triggers',
     'TriggersCollection',
     'UpdateService',