Add environment variable GEOPM_DEBUG_ATTACH. - Allows for attaching with a serial debugger. - If numeric, break that rank, otherwise break all ranks. - Variable not yet documented.
Add environment variable GEOPM_DEBUG_ATTACH.
- Allows for attaching with a serial debugger.
- If numeric, break that rank, otherwise break all ranks.
- Variable not yet documented.

Signed-off-by: Christopher M. Cantalupo <9cf3ecca60a3dd7112ab0e7250bedb8a752e3958@intel.com>
Change-Id: I1910be374f8c9599b3376fcbec38b8005457b9d5

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