Cleanup comments and change CV_WakeAll -> CV_Broacast

sys/kern/cv.c

@@ -70,12 +70,12 @@ CV_Signal(CV *cv)
 }
 
 /**
- * CV_WakeAll --
+ * CV_Broadcast --
  *
  * Wake all threads waiting on the condition.
  */
 void
-CV_WakeAll(CV *cv)
+CV_Broadcast(CV *cv)
 {
     WaitChannel_WakeAll(&cv->chan);
 

sys/kern/waitchannel.c

@@ -62,8 +62,7 @@ WaitChannel_Lock(WaitChannel *wchan)
 /**
  * WaitChannel_Sleep --
  *
- *	Places the current thread to asleep while releasing the wait channel 
- *	lock.
+ * Places the current thread to asleep while releasing the wait channel lock.
  *
  * Side Effect:
  * Retains a reference to thread until the thread is woken up.