EMC VMAX Driver Juno Update

This driver is an enhancement from the EMC SMI-S driver.
In Juno, VNX support will be removed from this driver.
Moving forward, this driver will support VMAX only.

Change-Id: Ib3cc033e72b04680cdaa55e73054edb176efff4b
Merge "EMC VMAX Driver Juno Update"