Adds IBM Power Virtual SCSI ALUA devices to the ALUA device handler.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de> Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: maximilian attems <max@stro.at> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>