Adding documentation to the geopm_prof_c.3 man page for new API: geopm_prof_default().
Adding documentation to the geopm_prof_c.3 man page for new API: geopm_prof_default().

Signed-off-by: Christopher M. Cantalupo <9cf3ecca60a3dd7112ab0e7250bedb8a752e3958@intel.com>

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