[SCSI] qla2xxx: Honor status value of 2 for report-id acquisition.

The value of 2 is informational message and it means that port id has
changed. The driver should honor the value and continue its normal course.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>