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

Change-Id: I8dc599a76c260ec2823ba5c9b22375b04a50daa8
diff --git a/pysim-testdata/Wavemobile-SIM.ok b/pysim-testdata/Wavemobile-SIM.ok
index b0ea8be..8b14a30 100644
--- a/pysim-testdata/Wavemobile-SIM.ok
+++ b/pysim-testdata/Wavemobile-SIM.ok
@@ -3,6 +3,9 @@
 ICCID: 89445310150011013678
 IMSI: 001010000000102
 SMSP: e1ffffffffffffffffffffffff0581005155f5ffffffffffff000000ffffffffffffffffffffffffffff
+SPN: wavemobile
+Display HPLMN: False
+Display OPLMN: False
 PLMNsel: fff11fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
 PLMNwAcT:
 	fff11fffff # MCC: 1651 MNC: 151 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT