qcacmn: Beacon to replace a probe response

Cancel broadcast of probe response if beacon is already sent
in beacon offload.

Change-Id: I4fea51433fbb959e05988c2daac89fbe839b1cdf
CRs-Fixed: 2209282

qdf/inc/qdf_atomic.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2018 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -142,6 +142,18 @@ static inline int32_t qdf_atomic_inc_return(qdf_atomic_t *v)
 	return __qdf_atomic_inc_return(v);
 }
 
+/**
+ * qdf_atomic_dec_return() - return the decremented value of an atomic
+ * variable
+ * @v: A pointer to an opaque atomic variable
+ *
+ * Return: The current value of the variable
+ */
+static inline int32_t qdf_atomic_dec_return(qdf_atomic_t *v)
+{
+	return __qdf_atomic_dec_return(v);
+}
+
 /**
  * qdf_atomic_set_bit - Atomically set a bit in memory
  * @nr: bit to set