qcacld-3.0: Align feature flag WLAN_POWER_DEBUG properly for power stats

The WLAN_POWER_DEBUG feature flag for power stats is not properly aligned
in the commit Ic395f393580fcd59faa4e4676f67a39ff37bdd1a and hence it is
addressed in this change.

Change-Id: I40236efa31e1d832884984536597122c04ecc269
CRs-Fixed: 2668142

core/hdd/src/wlan_hdd_sysfs.c

@@ -522,6 +522,7 @@ void hdd_sysfs_destroy_powerstats_interface(void)
 	}
 	sysfs_remove_file(driver_kobject, &power_stats_attribute.attr);
 }
+#endif
 
 void hdd_sysfs_create_driver_root_obj(void)
 {
@@ -551,7 +552,6 @@ void hdd_sysfs_destroy_driver_root_obj(void)
 		driver_kobject = NULL;
 	}
 }
-#endif
 
 #ifdef WLAN_FEATURE_BEACON_RECEPTION_STATS
 static int hdd_sysfs_create_bcn_reception_interface(struct hdd_adapter

core/wma/src/wma_features.c

@@ -4902,13 +4902,6 @@ int wma_unified_power_debug_stats_event_handler(void *handle,
 	qdf_mem_free(power_stats_results);
 	return 0;
 }
-#else
-int wma_unified_power_debug_stats_event_handler(void *handle,
-						uint8_t *cmd_param_info,
-						uint32_t len)
-{
-	return 0;
-}
 #endif
 
 #ifdef WLAN_FEATURE_BEACON_RECEPTION_STATS