meta-facebook: Configure rotate behavior for redfish log

The redfish log dosen't rotate and it will fill up filesystem
eventually. Configure rotation behavior for it.

Tested: tested on yv4 system.

Change-Id: Icc0904e36179a47c6ca1a8083d11f9a59fd9eca2
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
diff --git a/meta-facebook/recipes-extended/rsyslog/rsyslog/rsyslog.logrotate b/meta-facebook/recipes-extended/rsyslog/rsyslog/rsyslog.logrotate
index 02f80a9..b564c38 100644
--- a/meta-facebook/recipes-extended/rsyslog/rsyslog/rsyslog.logrotate
+++ b/meta-facebook/recipes-extended/rsyslog/rsyslog/rsyslog.logrotate
@@ -10,3 +10,14 @@
         systemctl restart rsyslog 2> /dev/null || true
     endscript
 }
+
+# Keep up to four 64k files for redfish (256k total)
+/var/log/redfish
+{
+    rotate 3
+    size 64k
+    missingok
+    postrotate
+        systemctl restart rsyslog 2> /dev/null || true
+    endscript
+}