95iscsi/module-setup.sh: do not require 'hostname' anymore
    
    (cherry picked from commit ebe1821635dd99f07c817179ee5358d27aab53c5)
    
    [lkundrak@v3.sk: fixes TEST-30 that fails with: dracut: dracut module
    'iscsi' will not be installed, because command 'hostname' could not be
    found!]
    
    patch_name: 0029.patch
    present_in_specfile: true
    location_in_specfile: 29
    squash_commits: true