remsim_client: Store and use BankSlot received in ConfigClientBankReq

Change-Id: I6858b68590789d38741e541b9028d2b9b142e0c0
diff --git a/src/client.h b/src/client.h
index dae53a2..5df5e67 100644
--- a/src/client.h
+++ b/src/client.h
@@ -6,6 +6,7 @@
 
 #include "rspro_util.h"
 #include "rspro_client_fsm.h"
+#include "slotmap.h"
 #include "debug.h"
 
 /* fsm.c */
@@ -32,6 +33,7 @@
 	/* connection to the remsim-bankd */
 	char *bankd_host;
 	uint16_t bankd_port;
+	struct bank_slot bankd_slot;
 	struct ipa_client_conn *bankd_conn;
 	struct osmo_fsm_inst *bankd_fi;
 };