LU-15504 utils: lfs find -ls function

LU-15504 utils: lfs find -ls function

Added -ls function for lfs find. It is equivalent to using
printf "%i/t%k/t%M/t%n/t%u/t%g/t%s/t%t/t%p/n"

Signed-off-by: Maximilian Dilger <mdilger@whamcloud.com>
Change-Id: If84687915a2f71be81ee8adc5c9402371d635956
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55443
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Anjus George <georgea@ornl.gov>