bankd: Resolve slot mapping after client identifies itself.

If mapping cannot be resolved, transition to new
BW_ST_CONN_CLIENT_WAIT_MAP state

Change-Id: I27b4bc301a784712808881a40636e9299816fe72
diff --git a/src/bankd.h b/src/bankd.h
index 9d17389..61bf34a 100644
--- a/src/bankd.h
+++ b/src/bankd.h
@@ -73,6 +73,8 @@
 	BW_ST_CONN_WAIT_ID,
 	/* TCP established, client has identified itself, no mapping */
 	BW_ST_CONN_CLIENT,
+	/* TCP established, client has identified itself, waiting for mapping */
+	BW_ST_CONN_CLIENT_WAIT_MAP,
 	/* TCP established, client has identified itself, mapping exists */
 	BW_ST_CONN_CLIENT_MAPPED,
 	/* TCP established, client identified, mapping exists, card opened */