Added feature to read Service Provider Name (SPN) from the SIM card

Change-Id: I8dc599a76c260ec2823ba5c9b22375b04a50daa8
diff --git a/pysim-testdata/fakemagicsim.ok b/pysim-testdata/fakemagicsim.ok
index d9bff94..8d4583d 100644
--- a/pysim-testdata/fakemagicsim.ok
+++ b/pysim-testdata/fakemagicsim.ok
@@ -3,6 +3,9 @@
 ICCID: 1122334455667788990
 IMSI: 001010000000102
 SMSP: ffffffffffffffffffffffffe1ffffffffffffffffffffffff0581005155f5ffffffffffff000000
+SPN: Magic
+Display HPLMN: True
+Display OPLMN: False
 PLMNsel: fff11fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
 PLMNwAcT: Can't read file -- SW match failed! Expected 9000 and got 9404.
 OPLMNwAcT: Can't read file -- SW match failed! Expected 9000 and got 9404.