hmp: re-enable trace-file command

Commit 31965ae2 reverted a previous
renaming of CONFIG_SIMPLE_TRACE->CONFIG_TRACE_SIMPLE in a couple spots,
leading to trace-file currently being unavailable.
Signed-off-by: NMichael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>

hmp-commands.hx

@@ -194,7 +194,7 @@ STEXI
 changes status of a trace event
 ETEXI
 
-#if defined(CONFIG_SIMPLE_TRACE)
+#if defined(CONFIG_TRACE_SIMPLE)
     {
         .name       = "trace-file",
         .args_type  = "op:s?,arg:F?",

monitor.c

@@ -606,7 +606,7 @@ static void do_trace_event_set_state(Monitor *mon, const QDict *qdict)
     }
 }
 
-#ifdef CONFIG_SIMPLE_TRACE
+#ifdef CONFIG_TRACE_SIMPLE
 static void do_trace_file(Monitor *mon, const QDict *qdict)
 {
     const char *op = qdict_get_try_str(qdict, "op");