qcacmn: Fixes for compilation issues

- Fixes for compilation issues after enabling
  monitor 2.0 support.
- change copyright year for all files in the chain.

Change-Id: I885e257bd8ca83850656d8a1f408c1bc34920d7a
CRs-Fixed: 3086483

dp/wifi3.0/monitor/dp_mon.h

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021,2022 Qualcomm Innovation Center, Inc. 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 above
  * copyright notice and this permission notice appear in all copies.