dreport: Added disk usage plugin

Plugin used for collecting BMC disk usage data.

Change-Id: I507a7516453aeff7b7675a41a52ec54b881c6ca1
Signed-off-by: Jayanth Othayoth <ojayanth@in.ibm.com>
diff --git a/tools/dreport.d/plugins.d/diskusage b/tools/dreport.d/plugins.d/diskusage
new file mode 100644
index 0000000..54fb6b9
--- /dev/null
+++ b/tools/dreport.d/plugins.d/diskusage
@@ -0,0 +1,13 @@
+#!/bin/bash
+#
+# config: 123 10
+# @brief: Collect disk usage information.
+#
+
+. $DREPORT_INCLUDE/functions
+
+desc="disk usage"
+file_name="disk-usage.log"
+command="df -hT"
+
+add_cmd_output "$command" "$file_name" "$desc"