mpr121: throw exception(s) on fatal errors
mpr121: throw exception(s) on fatal errors

Signed-off-by: Jon Trulson <08664b19c2d4086eb239dd8ec32d593676a5b9e4@ics.com>
Signed-off-by: Mihai Tudor Panu <a27de6130c5d32f5817bf40bb8b348582f37a8af@intel.com>

MakerCollider/upm,pylbert/upm,pylbert/upm,nitirohilla/upm,whbruce/upm,yoyojacky/upm,MakerCollider/upm,andreivasiliu2211/upm,whbruce/upm,pylbert/upm,pylbert/upm,spitfire88/upm,whbruce/upm,sasmita/upm,ShawnHymel/upm,stefan-andritoiu/upm,kissbac/upm,stefan-andritoiu/upm,skiselev/upm,pylbert/upm,yoyojacky/upm,Propanu/upm,kissbac/upm,srware/upm,stefan-andritoiu/upm,tripzero/upm,intel-iot-devkit/upm,rafaneri/upm,kissbac/upm,malikabhi05/upm,malikabhi05/upm,malikabhi05/upm,malikabhi05/upm,stefan-andritoiu/upm,Jon-ICS/upm,g-vidal/upm,sasmita/upm,spitfire88/upm,tylergibson/upm,MakerCollider/upm,Jon-ICS/upm,Jon-ICS/upm,srware/upm,skiselev/upm,andreivasiliu2211/upm,afmckinney/upm,g-vidal/upm,Jon-ICS/upm,arfoll/upm,skiselev/upm,ShawnHymel/upm,skiselev/upm,skiselev/upm,srware/upm,mircea/upm,andreivasiliu2211/upm,srware/upm,andreivasiliu2211/upm,intel-iot-devkit/upm,g-vidal/upm,g-vidal/upm,sasmita/upm,yoyojacky/upm,whbruce/upm,tylergibson/upm,Propanu/upm,ShawnHymel/upm,rafaneri/upm,kissbac/upm,sasmita/upm,yoyojacky/upm,arfoll/upm,mircea/upm,g-vidal/upm,spitfire88/upm,srware/upm,nitirohilla/upm,arfoll/upm,skiselev/upm,andreivasiliu2211/upm,stefan-andritoiu/upm,tripzero/upm,afmckinney/upm,afmckinney/upm,ShawnHymel/upm,jontrulson/upm,intel-iot-devkit/upm,Jon-ICS/upm,sasmita/upm,MakerCollider/upm,nitirohilla/upm,intel-iot-devkit/upm,spitfire88/upm,tylergibson/upm,Propanu/upm,mircea/upm,tripzero/upm,afmckinney/upm,Propanu/upm,jontrulson/upm,tylergibson/upm,kissbac/upm,jontrulson/upm,arfoll/upm,rafaneri/upm,tylergibson/upm,afmckinney/upm,whbruce/upm,spitfire88/upm,malikabhi05/upm,nitirohilla/upm,MakerCollider/upm,Propanu/upm,rafaneri/upm,arfoll/upm,jontrulson/upm,ShawnHymel/upm,mircea/upm,stefan-andritoiu/upm,rafaneri/upm,intel-iot-devkit/upm,tripzero/upm,yoyojacky/upm,pylbert/upm,Propanu/upm,jontrulson/upm,g-vidal/upm,mircea/upm,intel-iot-devkit/upm,nitirohilla/upm,malikabhi05/upm,tripzero/upm