qcacmn: Return QDF_STATUS from qdf_timer_init()

In preparation for QDF timer tracking, return QDF_STATUS from
qdf_timer_init(). This allows callers to handle the eventual possibility
of a QDF timer init failure.

Change-Id: I9da4643610099d32b002bda9218af26247a4edc6
CRs-Fixed: 2327724

qdf/inc/qdf_timer.h

@@ -43,13 +43,13 @@ typedef __qdf_timer_t qdf_timer_t;
  * Timer type QDF_TIMER_TYPE_WAKE_APPS means its a non-deferrable timer which
  * will cause CPU wake up on expiry
  *
- * Return: none
+ * Return: QDF_STATUS
  */
-static inline void qdf_timer_init(qdf_handle_t hdl, qdf_timer_t *timer,
-				  qdf_timer_func_t func, void *arg,
-				  QDF_TIMER_TYPE type)
+static inline QDF_STATUS
+qdf_timer_init(qdf_handle_t hdl, qdf_timer_t *timer, qdf_timer_func_t func,
+	       void *arg, QDF_TIMER_TYPE type)
 {
-	__qdf_timer_init(hdl, timer, func, arg, type);
+	return __qdf_timer_init(timer, func, arg, type);
 }
 
 /**