LU-15875 kernel: kernel update RHEL7.9 [3.10.0-1160.66.1.el7]

LU-15875 kernel: kernel update RHEL7.9 [3.10.0-1160.66.1.el7]

Update RHEL7.9 kernel to 3.10.0-1160.66.1.el7.

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

Change-Id: I9e8ab33edd6cacbbf895399962027827a1befd5b
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/47423
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Yang Sheng <ys@whamcloud.com>
Reviewed-by: Minh Diep <mdiep@whamcloud.com>
Reviewed-by: John L. Hammond <jhammond@whamcloud.com>