qcacld-3.0: Fix a compilation error

Structure qca_wlan_vendor_ll_ext_policy's definition and all
references to it should be enclosed by macro
WLAN_FEATURE_LINK_LAYER_STATS to avoid any compilation errors.

Change-Id: I0c9b1a10302f49f810ff1c3eb9a0c4aa4ea86cbc
CRs-Fixed: 2885428

core/hdd/src/wlan_hdd_cfg80211.c

@@ -15751,7 +15751,7 @@ const struct wiphy_vendor_command hdd_wiphy_vendor_commands[] = {
 	FEATURE_SAR_LIMITS_VENDOR_COMMANDS
 	BCN_RECV_FEATURE_VENDOR_COMMANDS
 	FEATURE_VENDOR_SUBCMD_SET_TRACE_LEVEL
-
+#ifdef WLAN_FEATURE_LINK_LAYER_STATS
 	{
 		.info.vendor_id = QCA_NL80211_VENDOR_ID,
 		.info.subcmd =
@@ -15763,6 +15763,7 @@ const struct wiphy_vendor_command hdd_wiphy_vendor_commands[] = {
 		vendor_command_policy(qca_wlan_vendor_ll_ext_policy,
 				      QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_MAX)
 	},
+#endif
 	FEATURE_VENDOR_SUBCMD_NUD_STATS_SET
 	{
 		.info.vendor_id = QCA_NL80211_VENDOR_ID,

core/hdd/src/wlan_hdd_stats.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2021 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
@@ -43,10 +43,10 @@
 
 #define WLAN_HDD_TGT_NOISE_FLOOR_DBM     (-96)
 
+#ifdef WLAN_FEATURE_LINK_LAYER_STATS
 extern const struct nla_policy qca_wlan_vendor_ll_ext_policy[
 			QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_MAX + 1];
 
-#ifdef WLAN_FEATURE_LINK_LAYER_STATS
 /* QCA_NL80211_VENDOR_SUBCMD_LL_STATS_CLR */
 extern const struct nla_policy qca_wlan_vendor_ll_clr_policy[
 			QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_MAX + 1];