qcacmn: Fix compile issues when some features are disabled

Fix compile issues when some features are disabled, the features are:
BUILD_DEBUG_VERSION
CONFIG_CP_STATS
CONFIG_HOST_OPCLASS
CONFIG_FEATURE_ROAM_DEBUG
There are some other features depends on each other, so enabled features to
qcs40x.snoc.perf_defconfig, the features are:
CONFIG_WLAN_FEATURE_FILS
CONFIG_WMI_ROAM_SUPPORT
CONFIG_WMI_STA_SUPPORT
CONFIG_REG_CLIENT
CONFIG_WLAN_FEATURE_DP_BUS_BANDWIDTH
CONFIG_WMI_CONCURRENCY_SUPPORT
CONFIG_LL_DP_SUPPORT

Change-Id: I6fa1eacb79576a955e593dbb9ac52083742275e3
CRs-Fixed: 2584839

os_if/linux/cp_stats/inc/wlan_cfg80211_mc_cp_stats.h

@@ -105,6 +105,37 @@ void wlan_cfg80211_mc_cp_stats_free_stats_event(struct stats_event *info);
 struct stats_event *
 wlan_cfg80211_mc_cp_stats_get_peer_rssi(struct wlan_objmgr_vdev *vdev,
 					uint8_t *macaddress, int *errno);
+#else
+static inline int wlan_cfg80211_mc_cp_stats_get_tx_power(
+				struct wlan_objmgr_vdev *vdev,
+				int *dbm)
+{
+	return 0;
+}
 
+static inline int wlan_cfg80211_mc_cp_stats_get_wakelock_stats(
+				struct wlan_objmgr_psoc *psoc,
+				struct wiphy *wiphy)
+{
+	return 0;
+}
+
+static inline struct stats_event *
+wlan_cfg80211_mc_cp_stats_get_peer_rssi(struct wlan_objmgr_vdev *vdev,
+					uint8_t *macaddress, int *errno)
+{
+	return NULL;
+}
+
+static inline void wlan_cfg80211_mc_cp_stats_free_stats_event(
+			struct stats_event *info)
+{}
+
+static inline struct stats_event *
+wlan_cfg80211_mc_cp_stats_get_station_stats(struct wlan_objmgr_vdev *vdev,
+					    int *errno)
+{
+	return NULL;
+}
 #endif /* QCA_SUPPORT_CP_STATS */
 #endif /* __WLAN_CFG80211_MC_CP_STATS_H__ */