bankd: log BankID:SlotNr in every log line

It's relatively inconvenient having to mentally map the slot-number to a
thread-id on every (re)connect to correlate the logs.

The logs should contain the Bank/Slot number they relate to.

Closes: OS#5611
Change-Id: I84879609781a301338dacde7ff495632e3af08b9
diff --git a/src/bankd/bankd.h b/src/bankd/bankd.h
index c007802..9bf9bc9 100644
--- a/src/bankd/bankd.h
+++ b/src/bankd/bankd.h
@@ -20,7 +20,7 @@
 extern struct value_string worker_state_names[];
 
 #define LOGW(w, fmt, args...) \
-	LOGP(DBANKDW, LOGL_INFO, "[%03u %s] " fmt, (w)->num, get_value_string(worker_state_names, (w)->state), \
+	LOGP(DBANKDW, LOGL_INFO, "[%03u B%u:%u %s] " fmt, (w)->num, (w)->slot.bank_id, (w)->slot.slot_nr, get_value_string(worker_state_names, (w)->state), \
 		## args)
 
 struct bankd;