Modify SolidFire backend configuration template

* make sf_api_port option configurable
* change deprecated option name

Closes-Bug: PROD-17900
Change-Id: Ia80021cf51d13ef6e5a43e8cbb55248d4b1db8e3
diff --git a/README.rst b/README.rst
index 1a535a7..a54683b 100644
--- a/README.rst
+++ b/README.rst
@@ -536,6 +536,8 @@
             san_password: password
             clustername: cluster1
             sf_emulate_512: false
+            sf_api_port: 14443
+            host: ctl01
 
 Cinder setup with Block Device driver