Fixed a bug where PWM wasn't disabled properly if the pin used timer 1 (cherry picked from commit e49834599fa4a7cb48b9f0ae7a313d59dd846164)
Fixed a bug where PWM wasn't disabled properly if the pin used timer 1
(cherry picked from commit e49834599fa4a7cb48b9f0ae7a313d59dd846164)

jaehong/Xmegaduino,jaehong/Xmegaduino,jaehong/Xmegaduino,jaehong/Xmegaduino,jaehong/Xmegaduino,jaehong/Xmegaduino,jaehong/Xmegaduino