LU-6387 tests: fix lp_utils build issues on Power8

LU-6387 tests: fix lp_utils build issues on Power8

With the latest RHEL7 image for power8 some compile
issues have surfaced. Currently the issue is with
begin() and end() inline functions for the lp_util
code. The solution appears to not make the functions
inline.

Change-Id: I8f11ed488890407c117f13ebc741d7140702c647
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-on: http://review.whamcloud.com/22941
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Frank Zago <fzago@cray.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>