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/obmc-phosphor-fan/files/obmc-phosphor-fand.service b/common/recipes-phosphor/obmc-phosphor-fan/files/obmc-phosphor-fand.service
index 0dc2b02..6698e12 100644
--- a/common/recipes-phosphor/obmc-phosphor-fan/files/obmc-phosphor-fand.service
+++ b/common/recipes-phosphor/obmc-phosphor-fan/files/obmc-phosphor-fand.service
@@ -2,6 +2,7 @@
 Description=Phosphor OpenBMC fan management daemon
 
 [Service]
+Restart=always
 ExecStart=/usr/sbin/obmc-phosphor-fand
 
 [Install]