boards: Update XTIMER_SHIFT and XTIMER_HZ configurations to match xtimer changes

boards/arduino-common/include/board.h

@@ -73,6 +73,7 @@ extern "C" {
  */
 #define XTIMER_WIDTH                (16)
 #define XTIMER_SHIFT                (2)
+#define XTIMER_HZ                   (250000UL)
 #define XTIMER_BACKOFF              (40)
 /** @} */
 

boards/arduino-mega2560/include/board.h

@@ -69,6 +69,7 @@ extern "C" {
  */
 #define XTIMER_WIDTH                (16)
 #define XTIMER_SHIFT                (2)
+#define XTIMER_HZ                   (250000UL)
 #define XTIMER_BACKOFF              (40)
 /** @} */
 

boards/cc2538dk/include/board.h

@@ -79,6 +79,8 @@ extern "C" {
 #define XTIMER_DEV          (0)
 #define XTIMER_CHAN         (0)
 #define XTIMER_WIDTH        (16)
+#define XTIMER_SHIFT        (4)
+#define XTIMER_HZ           (16000000UL)
 #define XTIMER_BACKOFF      (50)
 #define XTIMER_ISR_BACKOFF  (40)
 /** @} */

boards/openmote-cc2538/include/board.h

@@ -67,6 +67,8 @@
 #define XTIMER_DEV          (0)
 #define XTIMER_CHAN         (0)
 #define XTIMER_WIDTH        (16)
+#define XTIMER_SHIFT        (4)
+#define XTIMER_HZ           (16000000UL)
 #define XTIMER_BACKOFF      (50)
 #define XTIMER_ISR_BACKOFF  (40)
 /** @} */

boards/remote-common/include/board_common.h

@@ -80,6 +80,8 @@
 #define XTIMER_DEV          (0)
 #define XTIMER_CHAN         (0)
 #define XTIMER_WIDTH        (16)
+#define XTIMER_SHIFT        (4)
+#define XTIMER_HZ           (16000000UL)
 #define XTIMER_BACKOFF      (50)
 #define XTIMER_ISR_BACKOFF  (40)
 /** @} */

boards/waspmote-pro/include/board.h

@@ -169,8 +169,8 @@ extern "C" {
  */
 #define XTIMER_WIDTH                (16)
 #define XTIMER_SHIFT                (4)
+#define XTIMER_HZ                   (62500UL)
 #define XTIMER_BACKOFF              (40)
-#define XTIMER_TICKS_INIT           (921600ul)
 /** @} */
 
 /**