[SCSI] be2iscsi : Fix DMA Out of SW-IOMMU space error
[SCSI] be2iscsi : Fix DMA Out of SW-IOMMU space error

Setting DMA bit mask 64 and roll back to 32 if not supported.

Signed-off-by: Minh Tran <b714ae6d2984a94ba76ad07186af5add5bdee2da@emulex.com>
Signed-off-by: Jayamohan Kallickal <725f405d178c993f6a3c13d670846a138c9aba27@emulex.com>
Reviewed-by: Mike Christie <6fe105eefab41990d7ec714c6c25ade3095cdb48@cs.wisc.edu>
Signed-off-by: James Bottomley <1acebbdca565c7b6b638bdc23b58b5610d1a56b8@Parallels.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs