Split "RSPRO client FSM" from "BANKD client FSM"

This allows the RSPRO client FSM to be used by both remsim-client
as well as remsim-bankd -- both of which connect as RSPRO client to
remsim-server.

Change-Id: I57b5f8dc9de522b6ae8ceb030e639b5b8001b55a
diff --git a/src/bankd.h b/src/bankd.h
index cd97772..4c53c74 100644
--- a/src/bankd.h
+++ b/src/bankd.h
@@ -14,6 +14,7 @@
 
 #include "rspro_util.h"
 #include "slotmap.h"
+#include "client.h"
 #include "debug.h"
 
 struct bankd;
@@ -85,6 +86,8 @@
 	} cfg;
 
 	struct app_comp_id comp_id;
+	/* RSPRO connection to the remsim-server */
+	struct rspro_server_conn srvc;
 
 	/* TCP socket at which we are listening */
 	int accept_fd;