LU-13347 kernel: new kernel [RHEL 7.8 3.10.0-1127.el7]

LU-13347 kernel: new kernel [RHEL 7.8 3.10.0-1127.el7]

This patch makes changes to support new RHEL 7.8 release
for Lustre client.

Test-Parameters: trivial clientdistro=el7.8

Change-Id: I82f89495d5ab1d46a539a016a899307d7c8f37b7
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/38143
Reviewed-by: Minh Diep <mdiep@whamcloud.com>
Reviewed-by: Yang Sheng <ys@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>