kamctl: fix 'kamctl cr addcarrier' command
- 'COMMENT' field and 'MASK' field were mixed up causing
'kamctl cr addcarrier' to fail.
(cherry picked from commit 7b8b6f647365655afa210f5e95baef06398ef612)
(cherry picked from commit 3c4db3e110aae42f36e03e0d10792f4676063fa0)