[VOL:3643] support of some OLT device metrics over the Device Management Interface
1. Following metrices are supported :
   METRIC_FAN_SPEED
   METRIC_CPU_USAGE_PERCENTAGE
   METRIC_RAM_USAGE_PERCENTAGE
   METRIC_DISK_USAGE_PERCENTAGE
   METRIC_INNER_SURROUNDING_TEMP
2. Following DMI APIs are implemented:
   ListMetrics
   UpdateMetricsConfiguration
   GetMetric
   SetMsgBusEndpoint
   GetMsgBusEndpoint
3. Updated docs/source/DMI_Server_README.md

Change-Id: I11f988ff972b8a8682012c7aeea88ba61afb82ba
diff --git a/go.mod b/go.mod
old mode 100644
new mode 100755
index 63e9eb3..b17d79c
--- a/go.mod
+++ b/go.mod
@@ -18,7 +18,7 @@
 	github.com/looplab/fsm v0.1.0
 	github.com/olekukonko/tablewriter v0.0.4
 	github.com/opencord/cordctl v0.0.0-20190909161711-01e9c1f04bf4
-	github.com/opencord/device-management-interface v0.9.1-0.20200930105820-188a84f483b3
+	github.com/opencord/device-management-interface v0.9.5
 	github.com/opencord/omci-sim v0.0.5
 	github.com/opencord/voltha-protos/v4 v4.0.2
 	github.com/pkg/errors v0.8.1 // indirect