LU-18322 tests: skip recovery-small/154b for older MDS

LU-18322 tests: skip recovery-small/154b for older MDS

Skip recovery-small test 154b for MDS < 2.15.60.2 since
the test depends on changes made to the MDS code on the server.

Test-Parameters: trivial testlist=recovery-small env=ONLY=154b \
  serverversion=2.15.5

Change-Id: I540b943abae2c39cbb62d5403e37cd7768cb96b2
Fixes: e818052444 ("LU-17365 lod: handle llog errors gracefuly")
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/56658
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Emoly Liu <emoly@whamcloud.com>
Reviewed-by: Mikhail Pershin <mpershin@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>