osmo-sim-test: Fall-back to classic SIM

If selection of ADF_USIM fails, let's fall-back to reading/dumping
a classic TS 11.11 (51.011) SIM card.

Change-Id: I5a986fc65de76c24c5af52ce7e8c699cf302fda9
diff --git a/include/osmocom/sim/sim.h b/include/osmocom/sim/sim.h
index 2bc4715..8eb3f11 100644
--- a/include/osmocom/sim/sim.h
+++ b/include/osmocom/sim/sim.h
@@ -135,6 +135,7 @@
 	TYPE_ADF,	/*!< Application Dedicated File */
 	TYPE_EF,	/*!< Entry File */
 	TYPE_EF_INT,	/*!< Internal Entry File */
+	TYPE_MF,	/*!< Master File */
 };
 
 enum osim_ef_type {