Re-swaps pins on the Qwiic Micro

Author: edspark

sparkfun/samd/variants/SparkFun_Qwiic_Micro/variant.cpp

@@ -51,8 +51,8 @@ const PinDescription g_APinDescription[] =
 
   // 16/17 - RX/TX 
   // --------------------
-  { PORTA, 22, PIO_SERCOM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM4_CH0, TC4_CH0, EXTERNAL_INT_6 },       // TX/D16
   { PORTA, 23, PIO_SERCOM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM4_CH1, TC4_CH1, EXTERNAL_INT_7 },       // RX/D17
+  { PORTA, 22, PIO_SERCOM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM4_CH0, TC4_CH0, EXTERNAL_INT_6 },       // TX/D16
 
   // 18-21 - Flash SPI
   // --------------------