LU-15795 kernel: new kernel [RHEL 8.6 4.18.0-372.9.1.el8]

LU-15795 kernel: new kernel [RHEL 8.6 4.18.0-372.9.1.el8]

This patch makes changes to support new RHEL 8.6 release
for Lustre client.

Test-Parameters: trivial clientdistro=el8.6

Change-Id: Id738259ed94104c3a3c7bb5c1b853cfabad49405
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/47180
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Minh Diep <mdiep@whamcloud.com>
Reviewed-by: Yang Sheng <ys@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>