Fix units used for throughput
Throughput units were using binary representation,
whereas the expected unit is decimal (i.e.
MB/s not MiB/s)
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1496186
Signed-off-by: Paul Cuzner <pcuzner@redhat.com>
(cherry picked from commit
239afda4debc80544112fe98d31af3f692678f57)