buzzer: Modify comments in C++ example
buzzer: Modify comments in C++ example

Signed-off-by: Sarah Knepper <aa6f32c7068de0436ab460eb7d52c137f945f426@intel.com>

Jon-ICS/upm,malikabhi05/upm,stefan-andritoiu/upm,ShawnHymel/upm,jontrulson/upm,stefan-andritoiu/upm,Propanu/upm,andreivasiliu2211/upm,skiselev/upm,0xD34D/upm,sasmita/upm,malikabhi05/upm,jontrulson/upm,intel-iot-devkit/upm,pylbert/upm,g-vidal/upm,intel-iot-devkit/upm,Jon-ICS/upm,Propanu/upm,srware/upm,sasmita/upm,GSmurf/upm,noahchense/upm,pylbert/upm,afmckinney/upm,tripzero/upm,spitfire88/upm,whbruce/upm,mircea/upm,skiselev/upm,sasmita/upm,srware/upm,MakerCollider/upm,tylergibson/upm,yoyojacky/upm,malikabhi05/upm,g-vidal/upm,whbruce/upm,spitfire88/upm,pylbert/upm,Jon-ICS/upm,Jon-ICS/upm,noahchense/upm,malikabhi05/upm,Jon-ICS/upm,pylbert/upm,MakerCollider/upm,andreivasiliu2211/upm,spitfire88/upm,kissbac/upm,Vaghesh/upm,fieldhawker/upm,skiselev/upm,jontrulson/upm,afmckinney/upm,malikabhi05/upm,fieldhawker/upm,izard/upm,spitfire88/upm,stefan-andritoiu/upm,kissbac/upm,srware/upm,arfoll/upm,ShawnHymel/upm,nitirohilla/upm,GSmurf/upm,intel-iot-devkit/upm,noahchense/upm,sasmita/upm,MakerCollider/upm,rafaneri/upm,ShawnHymel/upm,Propanu/upm,tylergibson/upm,skiselev/upm,g-vidal/upm,intel-iot-devkit/upm,tripzero/upm,stefan-andritoiu/upm,fieldhawker/upm,tylergibson/upm,Propanu/upm,andreivasiliu2211/upm,yoyojacky/upm,afmckinney/upm,izard/upm,0xD34D/upm,ShawnHymel/upm,Vaghesh/upm,yoyojacky/upm,andreivasiliu2211/upm,fieldhawker/upm,afmckinney/upm,Vaghesh/upm,stefan-andritoiu/upm,arfoll/upm,rafaneri/upm,GSmurf/upm,intel-iot-devkit/upm,nitirohilla/upm,kissbac/upm,tripzero/upm,MakerCollider/upm,yoyojacky/upm,rafaneri/upm,izard/upm,nitirohilla/upm,malikabhi05/upm,whbruce/upm,nitirohilla/upm,srware/upm,kissbac/upm,spitfire88/upm,pylbert/upm,andreivasiliu2211/upm,whbruce/upm,afmckinney/upm,Propanu/upm,Vaghesh/upm,arfoll/upm,whbruce/upm,tripzero/upm,GSmurf/upm,srware/upm,yoyojacky/upm,kissbac/upm,MakerCollider/upm,tylergibson/upm,tylergibson/upm,sasmita/upm,g-vidal/upm,stefan-andritoiu/upm,intel-iot-devkit/upm,rafaneri/upm,jontrulson/upm,mircea/upm,rafaneri/upm,jontrulson/upm,skiselev/upm,tripzero/upm,0xD34D/upm,pylbert/upm,mircea/upm,nitirohilla/upm,skiselev/upm,arfoll/upm,noahchense/upm,g-vidal/upm,ShawnHymel/upm,mircea/upm,Propanu/upm,g-vidal/upm,mircea/upm,0xD34D/upm,arfoll/upm