MdeModulePkg: Add MorLockDxe to variable driver.

MdeModulePkg: Add MorLockDxe to variable driver.

Per secure MOR implementation document, it is not proper to add MOR lock in non-SMM version, because DXE version can not provide protection.

This patch add standalone TcgMorLockDxe implementation.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <jiewen.yao@intel.com>
Reviewed-by: "Zhang, Chao B" <chao.b.zhang@intel.com>
Reviewed-by: "Zeng, Star" <star.zeng@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19689 6f19259b-4bc3-4df7-8a09-765794883524