woops forget to setup serial pins as sercoms

Author: ladyada

variants/pybadge_m4/variant.cpp

@@ -26,8 +26,8 @@ const PinDescription g_APinDescription[]=
   // 0..13 - Digital pins
   // ----------------------
   // 0/1 - SERCOM/UART (Serial1)
-  { PORTB,  17, PIO_DIGITAL, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH5, NOT_ON_TIMER,  EXTERNAL_INT_1 },
-  { PORTB,  16, PIO_DIGITAL, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH4, NOT_ON_TIMER, EXTERNAL_INT_0 },
+  { PORTB,  17, PIO_SERCOM, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH5, NOT_ON_TIMER,  EXTERNAL_INT_1 },
+  { PORTB,  16, PIO_SERCOM, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH4, NOT_ON_TIMER, EXTERNAL_INT_0 },
 
   // 2..12
   // Digital Low