systemd: restart on-failure

Restart=always prevents application shutdown when exiting cleanly.

Change-Id: Id1e6a29f0bf42fe54c661efe9cc2245a3e9b78fc
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/service_files/xyz.openbmc_project.LED.GroupManager.service b/service_files/xyz.openbmc_project.LED.GroupManager.service
index ef8c3f2..4c53363 100644
--- a/service_files/xyz.openbmc_project.LED.GroupManager.service
+++ b/service_files/xyz.openbmc_project.LED.GroupManager.service
@@ -4,7 +4,7 @@
 After=phosphor-ledcontroller.service
 
 [Service]
-Restart=always
+Restart=on-failure
 ExecStart=/usr/libexec/phosphor-led-manager/phosphor-ledmanager
 SyslogIdentifier=phosphor-ledmanager
 Type=dbus