[SCSI] qla4xxx: Pass correct LUN address to firmware in case of lun_reset

Use function int_to_scsilun() in qla4xxx_reset_lun() to convert
integer value comming from scsi_transport to scsi LUN address format.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>