sim: Add osim_card_{reset,close}() API

This is required to reset and close a card under software control
after opening it with osim_card_open()

Change-Id: Ie9ec66db4d54fdb1331f4ae05ca3ca4274912e9d
diff --git a/src/sim/reader.c b/src/sim/reader.c
index ae0aba9..7f3f18d 100644
--- a/src/sim/reader.c
+++ b/src/sim/reader.c
@@ -277,3 +277,24 @@
 
 	return ch;
 }
+
+int osim_card_reset(struct osim_card_hdl *card, bool cold_reset)
+{
+	struct osim_reader_hdl *rh = card->reader;
+
+	return rh->ops->card_reset(card, cold_reset);
+}
+
+int osim_card_close(struct osim_card_hdl *card)
+{
+	struct osim_reader_hdl *rh = card->reader;
+	int rc;
+
+	rc = rh->ops->card_close(card);
+
+	card->reader = NULL;
+	talloc_free(card);
+	rh->card = NULL;
+
+	return rc;
+}