LU-18092 test: skip sanity-lfsck read check

LU-18092 test: skip sanity-lfsck read check

On some new kernels read on foreign layout doesn't fail yet, skip
read failure check in sanity-lfsck test_38.

Test-Parameters: trivial testlist=sanity-lfsck env=ONLY=38,ONLY_REPEAT=30
Signed-off-by: Lai Siyao <lai.siyao@whamcloud.com>
Change-Id: Ied10a95db217c58383a4082f0bca11c7b47e3276
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/56224
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Qian Yingjin <qian@ddn.com>
Reviewed-by: Alex Deiter
Reviewed-by: Oleg Drokin <green@whamcloud.com>