Add platform ID for MTS_DRAGONFLY_L496VG

Author: Leon

src/mbed_os_tools/detect/platform_database.py

@@ -65,6 +65,7 @@
         u"0310": u"MTS_DRAGONFLY_F411RE",
         u"0311": u"K66F",
         u"0312": u"MTS_DRAGONFLY_L471QG",
+        u"0313": u"MTS_DRAGONFLY_L496VG",
         u"0315": u"MTS_MDOT_F411RE",
         u"0316": u"MTS_DRAGONFLY_F413RH",
         u"0350": u"XDOT_L151CC",