[Feature]Upload Modem source code

Change-Id: Id4294f30faced84d3e6fd6d5e61e1111bf287a37
diff --git a/mcu/service/dhl/database/l1validation_db/dummy.l1v b/mcu/service/dhl/database/l1validation_db/dummy.l1v
new file mode 100755
index 0000000..4ab14be
--- /dev/null
+++ b/mcu/service/dhl/database/l1validation_db/dummy.l1v
@@ -0,0 +1,7 @@
+{ Validation }
+Title = "Dummy Test"
+ModuleID = MOD_TST
+MsgID = MSG_ID_TST_INJECT_STRING
+
+{ Parameters }
+