ts_51_011: Support EF.LND

This file is a optional file specified by TS 51.011, storing the last
numbers dialled.  As the EIRENE FFFIS for GSM-R SIM refers to this,
we must implement it to have full GSM-R support in pySim.

Change-Id: I3b7d6c7e7504b7cc8a1b62f13e8c0ae83a91d0f0
Related: OS#5784

pySim/ts_51_011.py

@@ -507,7 +507,7 @@ class DF_TELECOM(CardDF):
             EF_MSISDN(),
             EF_SMSP(),
             EF_SMSS(),
-            # LND
+            EF_ADN('6f44', None, 'EF.LND', 'Last Number Dialled', ext=1),
             EF_ADN('6f49', None, 'EF.SDN', 'Service Dialling Numbers', ext=3),
             EF_EXT('6f4a', None, 'EF.EXT1', 'Extension1 (ADN/SSC)'),
             EF_EXT('6f4b', None, 'EF.EXT2', 'Extension2 (FDN/SSC)'),