L2SS-244: Added default for SST_Port to be the default port SDP sends to.

devices/SST.py

@@ -38,7 +38,8 @@ class SST(hardware_device):
 
     SST_Port = device_property(
         dtype='DevUShort',
-        mandatory=True
+        mandatory=True,
+        default_value=5001
     )
 
     # ----------