EX-9524 mdt: enable parallel_rename_crossdir

EX-9524 mdt: enable parallel_rename_crossdir

parallel_rename_crossdir was not enabled due to a problem when
porting the following patch.

Fixes: ce01016a4a ("LU-17426 mdt: relax same MDT file rename lock")

The test case that excercise the feature was not run due to
the version check problem when porting the following patch.

Fixes: bc59df8232 ("LU-17426 tests: add crossdir parallel rename test")

Change-Id: I9316c599c6bd24891fbab3484935147d812b6f1c
Signed-off-by: Li Xi <lixi@ddn.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/54682
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>