migration: Add migration prefix to functions in target.c

The functions in target.c are not static, yet they don't have a proper
migration prefix. Add such prefix.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
diff --git a/migration/target.c b/migration/target.c
index f39c9a8..a6ffa9a 100644
--- a/migration/target.c
+++ b/migration/target.c
@@ -15,7 +15,7 @@
 #endif
 
 #ifdef CONFIG_VFIO
-void populate_vfio_info(MigrationInfo *info)
+void migration_populate_vfio_info(MigrationInfo *info)
 {
     if (vfio_mig_active()) {
         info->vfio = g_malloc0(sizeof(*info->vfio));
@@ -23,16 +23,16 @@
     }
 }
 
-void reset_vfio_bytes_transferred(void)
+void migration_reset_vfio_bytes_transferred(void)
 {
     vfio_reset_bytes_transferred();
 }
 #else
-void populate_vfio_info(MigrationInfo *info)
+void migration_populate_vfio_info(MigrationInfo *info)
 {
 }
 
-void reset_vfio_bytes_transferred(void)
+void migration_reset_vfio_bytes_transferred(void)
 {
 }
 #endif