Refresh
    patches.suse/scsi-qla2xxx-Reserve-extra-IRQ-vectors.patch.
    
    Add Signed-off-by tag for author of the patch in the SLE branch to suppress
    error during branch merges. Example error is
    
      patches.suse/scsi-qla2xxx-Reserve-extra-IRQ-vectors.patch An email
      address with @suse.de, @suse.com, @suse.cz, or @novell.com in the From,
      Signed-off-by, or Acked-by headers is required