Fix bugs

:Release Notes:
Debug messages can be recorded at mainstream properly.

:Detailed Notes:
Debug messages could not be recorded at mainstream because some
bugs that are number of parameter and wrong compare statements.
Additionally, help menu has been updated for debug string.

:Testing Performed:
Compiled locally and tested on locally.
Verified in the log file, properly displayed in /var/log/messages.

:QA Notes:

:Issues Addressed:
[GF-10475] Debug messages should be recorded at mainstrem properly

Open-webOS-DCO-1.0-Signed-off-by: Hongjeon Ha <hj.ha@lge.com>

Change-Id: I7333e3a82cbdabd05faf92fea05536bbb5f95aaa
Reviewed-on: https://g2g.palm.com/2901
Reviewed-by: Build Verification
Reviewed-by: Hongjeon Ha <hj.ha@lge.com>
Tested-by: Hongjeon Ha <hj.ha@lge.com>
Reviewed-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>