DM: fixed i2c pins

Author: deanm1278

variants/metro_m4/variant.h

@@ -167,10 +167,10 @@ static const uint8_t SCK1  = PIN_SPI_SCK ;
  */
 #define WIRE_INTERFACES_COUNT 1
 
-#define PIN_WIRE_SDA         (26u)
-#define PIN_WIRE_SCL         (27u)
-#define PERIPH_WIRE          sercom3
-#define WIRE_IT_HANDLER      SERCOM3_Handler
+#define PIN_WIRE_SDA         (24u)
+#define PIN_WIRE_SCL         (25u)
+#define PERIPH_WIRE          sercom5
+#define WIRE_IT_HANDLER      SERCOM5_Handler
 
 static const uint8_t SDA = PIN_WIRE_SDA;
 static const uint8_t SCL = PIN_WIRE_SCL;