pySim-read.py: Enable parsing of EF.ePDGSelection in USIM

As per TS 31.102, this EF can found under ADF.USIM at File Id 6ff4.
Also, if service n°106 and service n°107 are available, this file shall be present.

Change-Id: I98916e6f5c9791aff63c18a3b16bdfb8ae9b2d36
diff --git a/pysim-testdata/sysmoISIM-SJA2.ok b/pysim-testdata/sysmoISIM-SJA2.ok
index 947cff6..b6836e7 100644
--- a/pysim-testdata/sysmoISIM-SJA2.ok
+++ b/pysim-testdata/sysmoISIM-SJA2.ok
@@ -165,6 +165,12 @@
 ePDGId:
 	Not available
 
+ePDGSelection:
+	ffffffffffff # unused
+	ffffffffffff # unused
+	ffffffffffff # unused
+	ffffffffffff # unused
+
 ISIM Service Table: 190200
 	Service 1 - P-CSCF address
 	Service 4 - GBA-based Local Key Establishment Mechanism