atomic: update lorax passed vars (part 1)
    
    Similar to what we did in b28af80 on the f25 branch. Let's update
    the lorax passed vars. This is to match what is expected for [1].
    
    [1] https://pagure.io/fedora-lorax-templates/pull-request/18
    
    (cherry picked from commit 7163cc2572cf617cdea623338cff2df7f7c0a942)
    Signed-off-by: Dusty Mabe <dusty@dustymabe.com>