Merge pull request #14218 from keestux/add-sodaq-missing-xtimer_dev

boards/common/sodaq: add XTIMER_DEV and make it equal to other SAMD21

boards/common/sodaq/include/board_common.h

@@ -25,6 +25,14 @@
 extern "C" {
 #endif
 
+/**
+ * @name    xtimer configuration
+ * @{
+ */
+#define XTIMER_DEV          TIMER_DEV(1)
+#define XTIMER_CHAN         (0)
+/** @} */
+
 /**
  * @brief   Initialize board specific hardware, including clock, LEDs and std-IO
  */