Do not always set GEOPM_PRELOAD
Do not always set GEOPM_PRELOAD

- Related to #614.

Change-Id: I37071a80f94f9949627aa843df217c94bb92c8fa
Signed-off-by: Brad Geltz <e42f3ad4099980ea02f08e076efbee5cf9d4a803@intel.com>

geopm/geopm,cmcantalupo/geopm,geopm/geopm,cmcantalupo/geopm,geopm/geopm,geopm/geopm,cmcantalupo/geopm,cmcantalupo/geopm,cmcantalupo/geopm,geopm/geopm