Update README for redfish package installation

Change-Id: I10eadc7fe4ad89c8f69128249887274cd20fc3c6
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/README.md b/README.md
index febd236..d223568 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,12 @@
     $ pip install -U robotframework-httplibrary
     ```
 
+    Python redfish library packages:
+    For more detailed intstructions see [python-redfish-library](https://github.com/DMTF/python-redfish-library)
+    ```
+    $ pip install redfish
+    ```
+
     SSH and SCP base packages:
     For more detailed installation instructions see [robotframework-sshlibrary](https://pypi.python.org/pypi/robotframework-sshlibrary)
     ```