The order parameters are powers of 2; adjust the usage information
to use correct mathematical representations.
Signed-off-by: NGary R Hook <gary.hook@amd.com>
Fixes: 8a7b6a77 ("ntb: ntb perf tool")
Acked-by: NDave Jiang <dave.jiang@intel.com>
Signed-off-by: NJon Mason <jdmason@kudzu.us>