LU-6142 lnet: SPDX for lnet/utils/

LU-6142 lnet: SPDX for lnet/utils/

Convert from verbose license text to SDPX.

Test-Parameters: trivial
Signed-off-by: Timothy Day <timday@amazon.com>
Change-Id: I0568f692c6799834794ed9c565bdac7ec9aef1d3
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54173
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>