support for rlt-1600g-w and rlt-1600x-w in GPON mode

Change-Id: Ib230d3e336043980eb00427384a49cb8bd386bb2
diff --git a/agent/device/rlt-1600g-w/mkdebian/debian/logrotate.d/openolt b/agent/device/rlt-1600g-w/mkdebian/debian/logrotate.d/openolt
new file mode 100644
index 0000000..480b59f
--- /dev/null
+++ b/agent/device/rlt-1600g-w/mkdebian/debian/logrotate.d/openolt
@@ -0,0 +1,10 @@
+/var/log/dev_mgmt_daemon.log
+/var/log/openolt.log
+{
+  rotate 7
+  daily
+  compress
+  missingok
+  delaycompress
+  copytruncate
+}