LU-14994 kernel: kernel update RHEL7.9 [3.10.0-1160.42.2.el7]

LU-14994 kernel: kernel update RHEL7.9 [3.10.0-1160.42.2.el7]

Update RHEL7.9 kernel to 3.10.0-1160.42.2.el7.

Test-Parameters: trivial clientdistro=el7.9 serverdistro=el7.9

Change-Id: I377ea5d1e28c50b1087dfca7cb32f44afb9bf5f5
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/44879
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Yang Sheng <ys@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>