Clean not in pub spec comments status codes returned for functions of EFI_TCG_PROTOCOL

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Gao, Liming <liming.gao@intel.com>
Reviewed-by: Long, Qin <qin.long@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16229 6f19259b-4bc3-4df7-8a09-765794883524