MdePkg/SmiHandlerProfileLibNull: Add NULL instance.

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>

MdePkg/Library/SmiHandlerProfileLibNull/SmiHandlerProfileLibNull.inf

@@ -0,0 +1,36 @@
+## @file
+# NULL instance of SmiHandlerProfile Library.
+#
+#  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+#
+#  This program and the accompanying materials
+#  are licensed and made available under the terms and conditions of the BSD License
+#  which accompanies this distribution. The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php.
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = SmiHandlerProfileLibNull
+  MODULE_UNI_FILE                = SmiHandlerProfileLibNull.uni
+  FILE_GUID                      = B43D1B52-6251-4E6F-82EC-A599A5EE94C1
+  MODULE_TYPE                    = DXE_SMM_DRIVER
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = SmiHandlerProfileLib|DXE_SMM_DRIVER SMM_CORE
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC
+#
+
+[Sources]
+  SmiHandlerProfileLibNull.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+