MdePkg/SmiHandlerProfileLibNull: Add MM_STANDALONE support

MdePkg/SmiHandlerProfileLibNull: Add MM_STANDALONE support

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3184

Allows the library instance to be linked with MM_STANDALONE modules.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>