Changes to lib/utils.robot.
Changes to lib/utils.robot.

- I added support for targ_file_path parm for "Stop SOL Console Logging".
- Corrected 80+ char lines in lib/utils.robot.

Change-Id: I9dc5c3f0b7287dcf43b7b03815c3378e948442e9
Signed-off-by: Michael Walsh <10404802c7de463f402c4a18638106ca1b12ef61@us.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation