LU-18402 tests: skip recovery-small/{153,154a} for older MDS

LU-18402 tests: skip recovery-small/{153,154a} for older MDS

Skip recovery-small/{153,154a} for older MDS since
the test depends on changes made to the MDS code on the server.

Test-Parameters: trivial testlist=recovery-small serverversion=2.15.5

Fixes: 654d5f3fa4 ("LU-16478 target: disconnected export")
Fixes: e818052444 ("LU-17365 lod: handle llog errors gracefuly")

Signed-off-by: Jian Yu <yujian@whamcloud.com>
Change-Id: I3f26fae9d8d3d338f0e0860ea10f5fb762d70640
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/56829
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Emoly Liu <emoly@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>