LU-11561 ofd: return attr syncjournal to sync_journal

LU-11561 ofd: return attr syncjournal to sync_journal

The move of the ofd module from using proc to sysfs
changed sync_journal to syncjournal. We want to return
to using sync_journal to allow for interoperability
between old and new versions of Lustre and Lustre tests.

Test-Parameters: trivial testlist=replay-single

Signed-off-by: James Nunez <jnunez@whamcloud.com>
Change-Id: I6c9c61d64110bd7f3274aba0c831d5f6df0ab1f3
Reviewed-on: https://review.whamcloud.com/33582
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Tested-by: Jenkins
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Sonia Sharma <sharmaso@whamcloud.com>