zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/net/wanrouter/patchlevel b/ap/os/linux/linux-3.4.x/net/wanrouter/patchlevel
new file mode 100644
index 0000000..c043eea
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/net/wanrouter/patchlevel
@@ -0,0 +1 @@
+2.2.1