Correct help string about insufficient_data

Replace insufficient_data to insufficient data in parameter
"--state" of alarm-create/alarm-combination-create/alarm-threshold-create
help sting.

Change-Id: Ica0ea14d19a3a6cac9491d5cbdc3be23b5c91b60
Closes-bug: #1290230
Merge "Correct help string about insufficient_data"