LU-9059 utils: skip label check for client

LU-9059 utils: skip label check for client

When mounting Lustre client, the device label should not be checked.

Change-Id: I5018e5361545ed6c4e31e3d85360bb8fa5670b5e
Signed-off-by: Hongchao Zhang <hongchao.zhang@intel.com>
Reviewed-on: https://review.whamcloud.com/25234
Tested-by: Jenkins
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>