LU-6142 ldlm: Fix style issues for ldlm folder

LU-6142 ldlm: Fix style issues for ldlm folder

This patch fixes issues reported by checkpatch
for files under folder lustre/ldlm/

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: I3c15c6a6e3d21bce9c8609e60ec481b484f00480
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54003
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>