bugfix: cannot edit the field of "Description" in  oat_mle according to README.         This is caused by wrong example in README.
bugfix: cannot edit the field of "Description" in  oat_mle according to README.
        This is caused by wrong example in README.

Signed-off-by: Emily <9b2715b9ff9153d331b4606d44c6dae8d40a26a2@intel.com>

baaltommysu/OpenAttestation,baaltommysu/OpenAttestation,baaltommysu/OpenAttestation,baaltommysu/OpenAttestation,baaltommysu/OpenAttestation