documentation: Bring rcutorture parameters up to date

This commit changes the documentation of the rcutorture parameters to
better match reality.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2015-05-14 17:29:51 -07:00
commit 21b05de4c8