MdePkg: Add RETURN_ADDRESS macro into Base.h.

Based on compiler intrinsic function.
MSVC: _ReturnAddress
GCC: __builtin_return_address

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16334 6f19259b-4bc3-4df7-8a09-765794883524
MdeModulePkg DxeCore/PiSmmCore: Add UEFI memory and SMRAM profile support.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16335 6f19259b-4bc3-4df7-8a09-765794883524
EdkCompatibilityPkg: Add UEFI memory and SMRAM profile support.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16336 6f19259b-4bc3-4df7-8a09-765794883524
Fix a bug in DHCP6 driver when using DUID LLT.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Dong Eric <eric.dong@intel.com>
Reviewed-by: Wu Jiaxin <jiaxin.wu@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16337 6f19259b-4bc3-4df7-8a09-765794883524
Merge branch 'master' of https://github.com/tianocore/edk2