hrtimers: Update the return type of enqueue_hrtimer()

The return type should be 'bool' instead of 'int' according to the calling
context in the kernel, and its internal implementation, i.e. :

	return timerqueue_add();

which is a bool-return function.

[ tglx: Adjust function arguments ]

Signed-off-by: Richard Clark <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: https://lore.kernel.org/all/Z2ppT7me13dtxm1a@MBC02GN1V4Q05P

Author: richardxnuclark

kernel/time/hrtimer.c

@@ -1067,11 +1067,10 @@ EXPORT_SYMBOL_GPL(hrtimer_forward);
  * The timer is inserted in expiry order. Insertion into the
  * red black tree is O(log(n)). Must hold the base lock.
  *
- * Returns 1 when the new timer is the leftmost timer in the tree.
+ * Returns true when the new timer is the leftmost timer in the tree.
  */
-static int enqueue_hrtimer(struct hrtimer *timer,
-			   struct hrtimer_clock_base *base,
-			   enum hrtimer_mode mode)
+static bool enqueue_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base,
+			    enum hrtimer_mode mode)
 {
 	debug_activate(timer, mode);
 	WARN_ON_ONCE(!base->cpu_base->online);