migration: Move remaining exported functions to migration/misc.h

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
diff --git a/qdev-monitor.c b/qdev-monitor.c
index 3ecbf0b..8fd6df9 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -29,7 +29,7 @@
 #include "qemu/error-report.h"
 #include "qemu/help_option.h"
 #include "sysemu/block-backend.h"
-#include "migration/migration.h"
+#include "migration/misc.h"
 
 /*
  * Aliases were a bad idea from the start.  Let's keep them