Fix a failure in TCG HashAll interface.
Fix a failure in TCG HashAll interface.

signed-off by Tao Hengyan <hengyan.tao@intel.com>
reviewed by Dong Guo <guo.dong@intel.com>
reviewed by Long Qin <qin.long@intel.com>

git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@13556 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2