MdePkg/Include: Add SmiHandlerProfileLib.h

MdePkg/Include: Add SmiHandlerProfileLib.h

This library should be linked by SmmChildDispatch to
report the hardware SMI handler maintained by SmmChildDispatch.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>