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/TODO-RELEASE b/TODO-RELEASE
index e57ffab..ad644aa 100644
--- a/TODO-RELEASE
+++ b/TODO-RELEASE
@@ -12,3 +12,4 @@
 libosmosim	osim_card_hdl		ABI + API breakage due to new struct members
 libosmocore	osmo_tdef_fsm_inst_state_chg	change default_timeout arg from unsigned long to long type (API breakage, not ABI)
 libosmovty      vty_read_config_filep   New API
+libosmosim	osim_card_{reset,close}	New API