Fine tune mksquashfs options for squash module
    
    Drop some unneeded metadata in the squash image, and print the error
    message if something went wrong.
    
    Signed-off-by: Kairui Song <kasong@redhat.com>
    (cherry picked from commit 89bc1aa324bcdda3723247218a697171c5a3de6f)
    
    Resolves: #1776659
    
    patch_name: 0079.patch
    present_in_specfile: true
    location_in_specfile: 79
    squash_commits: true