Added feature to program SPN into sysmoUSIM-SJS1 SIM cards

Change-Id: Ia0f1a36ecb3898eaa1cf9925864e13369b1f31ce
diff --git a/pySim/cards.py b/pySim/cards.py
index 9174ad5..faaeca3 100644
--- a/pySim/cards.py
+++ b/pySim/cards.py
@@ -612,6 +612,10 @@
 			content = "01" + p['opc']
 			data, sw = self._scc.update_binary('00F7', content)
 
+		# set Service Provider Name
+		content = enc_spn(p['name'], True, True)
+		data, sw = self._scc.update_binary('6F46', rpad(content, 32))
+
 		# write EF.IMSI
 		data, sw = self._scc.update_binary('6f07', enc_imsi(p['imsi']))