Update the bat file, avoid change the original binary file in SVN, copy a temp file to use.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15644 6f19259b-4bc3-4df7-8a09-765794883524
Refine the readme.txt for Duet platform, update the GCC tool chain to GCC44. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>




git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15645 6f19259b-4bc3-4df7-8a09-765794883524
MdePkg/BasePrintLib: Do not do operations with NULL

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Harry Liebel <Harry.Liebel@arm.com>
Reviewed-By: Olivier Martin <olivier.martin@arm.com>
Reviewed-by: Gao, Liming <liming.gao@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15646 6f19259b-4bc3-4df7-8a09-765794883524
ArmPkg/ArmLib: Improved ArmConfigureMmu Performance

Data & Instruction Caches can be kept enabled while the new
translation table is filled.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eugene Cohen <eugene@hp.com>
Reviewed-By: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15647 6f19259b-4bc3-4df7-8a09-765794883524
Merge branch 'master' of git://github.com/tianocore/edk2