timers: add missing kernel-doc

Add missing kernel-doc parameter notation and change function
name to its new name:

  Warning(kernel/timer.c:543): No description found for parameter 'name'
  Warning(kernel/timer.c:543): No description found for parameter 'key'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: akpm <akpm@linux-foundation.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
LKML-Reference: <20090401174723.f0bea0eb.randy.dunlap@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

kernel/timer.c

@@ -524,10 +524,13 @@ static void __init_timer(struct timer_list *timer)
 }
 
 /**
- * init_timer - initialize a timer.
+ * init_timer_key - initialize a timer
  * @timer: the timer to be initialized
+ * @name: name of the timer
+ * @key: lockdep class key of the fake lock used for tracking timer
+ *       sync lock dependencies
  *
- * init_timer() must be done to a timer prior calling *any* of the
+ * init_timer_key() must be done to a timer prior calling *any* of the
  * other timer functions.
  */
 void init_timer(struct timer_list *timer)