Improved cli report post bitrot opertaion as previously it was showing output "volume bitrot: success" for all the sucessfull bitrot operations (enable, disable or scrub options). Change-Id: I0857e99f3956221a51cfd1b29a90e1038b90570f BUG: 1539166 Signed-off-by: Sunny Kumar <sunkumar@redhat.com>