pca9685: enableRestart() does not return anything, so make it void
pca9685: enableRestart() does not return anything, so make it void

fixes defect #21

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

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