qcacmn: Define os private structure in pdev object

-Define OS private memory structure and provide pointer
 to store the private data of each umac module's os specific data
-Initialize pdev's os private structure member 'wiphy'.
-Move vendor command definition to common project.

Change-Id: I2033bfbf0fe38e82c3a14942ac9f9bfda45e2c6c
CRs-Fixed: 2002991

os_if/linux/wlan_cfg80211.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2017 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
@@ -20,10 +20,14 @@
  * DOC: declares driver functions interfacing with linux kernel
  */
 
+
+#ifndef _WLAN_CFG80211_H_
+#define _WLAN_CFG80211_H_
+
 #include <linux/version.h>
 #include <linux/netdevice.h>
 #include <net/cfg80211.h>
-#include <qca-vendor.h>
+#include <qca_vendor.h>
 
 #define COMMON_VENDOR_COMMANDS						\
 { 									\
@@ -41,22 +45,4 @@
 	.doit = NULL							\
 },
 
-/**
- * wlan_cfg80211_scan() - API to process cfg80211 scan request
- * @wiphy: Pointer to wiphy
- * @dev: Pointer to net device
- * @request: Pointer to scan request
- *
- * API to trigger scan and update cfg80211 scan database.
- * scan dump command can be used to fetch scan results
- * on receipt of scan complete event.
- *
- * Return: 0 for success, non zero for failure
- */
-
-int wlan_cfg80211_scan(struct wiphy *wiphy,
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
-		struct net_device *dev,
 #endif
-		struct cfg80211_scan_request *request);
-