Add autostart policy for these services of the openbmc repo.

Signed-off-by: Nan Li <bjlinan@cn.ibm.com>
diff --git a/common/recipes-phosphor/rest-dbus/files/rest-dbus.service b/common/recipes-phosphor/rest-dbus/files/rest-dbus.service
index b6f9b97..79a848a 100644
--- a/common/recipes-phosphor/rest-dbus/files/rest-dbus.service
+++ b/common/recipes-phosphor/rest-dbus/files/rest-dbus.service
@@ -2,6 +2,7 @@
 Description=DBUS introspecting REST server.
 
 [Service]
+Restart=always
 ExecStart=/usr/sbin/rest-dbus
 
 [Install]