Firmware update method via TFTP and ImageURI

Change-Id: Ic7317a620020575ba3b137b2d857269c3a0f07d2
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/REDFISH-cheatsheet.md b/REDFISH-cheatsheet.md
index c9e7384..f3b11a6 100644
--- a/REDFISH-cheatsheet.md
+++ b/REDFISH-cheatsheet.md
@@ -72,4 +72,14 @@
     $ curl -k -H "X-Auth-Token: $bmc_token" -H "Content-Type: application/octet-stream" -X POST -T <image file path> https://${bmc}/redfish/v1/UpdateService
     ```
 
+* TFTP Firmware update using TransferProtocol:
+    ```
+    curl -k -H "X-Auth-Token: $bmc_token" -X POST https://${bmc}/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate -d '{"TransferProtocol":"TFTP","ImageURI":"<image file path>"}'
+    ```
+
+* TFTP Firmware update with protocol in ImageURI:
+    ```
+    curl -k -H "X-Auth-Token: $bmc_token" -X POST https://${bmc}/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate -d '{"ImageURI":"tftp://<image file path>"}'
+    ```
+
 [1]: https://www.dmtf.org/standards/redfish