LU-14986 kernel: kernel update SLES15 SP2 [5.3.18-24.78.1]

LU-14986 kernel: kernel update SLES15 SP2 [5.3.18-24.78.1]

Update SLES15 SP2 kernel to 5.3.18-24.78.1 for Lustre client.

Test-Parameters: trivial \
env=SANITY_EXCEPT="100 130 136 817" \
clientdistro=sles15sp2 serverdistro=el7.9 \
testlist=sanity

Change-Id: I2778f5bdacf243da95b7c8c74881ab4d20ad3d91
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/44862
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>