Enable exception handling when acclerator support fails
Enable exception handling when acclerator support fails

- If LevelZero or NVML are enabled at configure time, but not
  at run time, PlatformIO will fail to load.
- Fixes #1952

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

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