[SCSI] qla2xxx: Get FLT address in dword format.

FLTDS provides FLT address in the byte address format,
convert it to dword address for further use.

Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>