[Feature]Upload Modem source code

Change-Id: Id4294f30faced84d3e6fd6d5e61e1111bf287a37
diff --git a/mcu/protocol/interface/mcd/include/mcd_l3.h.template b/mcu/protocol/interface/mcd/include/mcd_l3.h.template
new file mode 100644
index 0000000..a9d1566
--- /dev/null
+++ b/mcu/protocol/interface/mcd/include/mcd_l3.h.template
@@ -0,0 +1,8 @@
+#ifndef _MCD_L3_H
+#define _MCD_L3_H
+
+/*MTK:BEGIN:generate_mcd_defination*/
+
+/*MTK:END*/
+
+#endif // _MCD_L3_H