LU-6142 llite: Fix style issues for files under llite

LU-6142 llite: Fix style issues for files under llite

This patch fixes issues reported by checkpatch
for files:
  lustre/llite/lcommon_cl.c
  lustre/llite/vvp_object.c
  lustre/llite/xattr.c
  lustre/llite/xattr_cache.c

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: I8c4e89b73e29b1a687e1703e721ee083457be84f
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54005
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>