Create fallback xTaskCreateUniversal function

Author: OttoWinter

src/AsyncTCP.cpp

@@ -210,12 +210,32 @@ static void _stop_async_task(){
     }
 }
 */
+
+static bool customTaskCreateUniversal(
+                        TaskFunction_t pxTaskCode,
+                        const char * const pcName,
+                        const uint32_t usStackDepth,
+                        void * const pvParameters,
+                        UBaseType_t uxPriority,
+                        TaskHandle_t * const pxCreatedTask,
+                        const BaseType_t xCoreID) {
+#ifndef CONFIG_FREERTOS_UNICORE
+    if(xCoreID >= 0 && xCoreID < 2) {
+        return xTaskCreatePinnedToCore(pxTaskCode, pcName, usStackDepth, pvParameters, uxPriority, pxCreatedTask, xCoreID);
+    } else {
+#endif
+    return xTaskCreate(pxTaskCode, pcName, usStackDepth, pvParameters, uxPriority, pxCreatedTask);
+#ifndef CONFIG_FREERTOS_UNICORE
+    }
+#endif
+}
+
 static bool _start_async_task(){
     if(!_init_async_event_queue()){
         return false;
     }
     if(!_async_service_task_handle){
-        xTaskCreateUniversal(_async_service_task, "async_tcp", 8192 * 2, NULL, 3, &_async_service_task_handle, CONFIG_ASYNC_TCP_RUNNING_CORE);
+        customTaskCreateUniversal(_async_service_task, "async_tcp", 8192 * 2, NULL, 3, &_async_service_task_handle, CONFIG_ASYNC_TCP_RUNNING_CORE);
         if(!_async_service_task_handle){
             return false;
         }