Correct S-Series to DS-Series systems
The new Lenovo storage systems should be branded as
DS-Series systems.  This patch corrects the documentation
accordingly.
@@ -11,7 +11,7 @@ System requirements
To use the Lenovo drivers, the following are required:
-- Lenovo S2200, S3200, S4200 or S6200 array with:
+- Lenovo S2200, S3200, DS2200, DS4200 or DS6200 array with:
- iSCSI or FC host interfaces
- G22x firmware or later
