Updated IDLE example with Teensy results

examples/Scheduler_example06_IDLE/Scheduler_example06_IDLE.ino

@@ -11,18 +11,29 @@ Task t(10000, 1, NULL, &ts, true, &tOn, &tOff);
 The result are:
 
 1): With #define _TASK_SLEEP_ON_IDLE_RUN enabled
-Start
-c1=10771 - v2.5.0 (v1.9.0: same)
-c2=1001
+On Arduino Uno:
+  Start
+  c1=10771 - v2.5.0 (v1.9.0: same)
+  c2=1001
 
+On Teensy 3.5 (120MHz ARM):
+  Start
+  c1=21065
+  c2=1001
 
 and
 
 2): With #define _TASK_SLEEP_ON_IDLE_RUN disabled (commented out)
-Start
-c1=635735 - v2.5.0  (v1.9.0: 551947)
-c2=1001
-
+Arduino Uno:
+  Start
+  c1=635735 - v2.5.0  (v1.9.0: 551947)
+  c2=1001
+
+On Teensy 3.5 (120MHz ARM):
+  Start
+  c1=2690322
+  c2=1001
+  
 C1 is scenario 2) is much higher than in scenario 1) because processor is put to sleep for 1), but not for 2)
 
  */