MdeModulePkg: Add a runtime library instance of ResetSystemLib

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1461

Implement a runtime library instance of ResetSystemLib. It would
use a internal point instead of gRT and convert it depend on
gEfiEventVirtualAddressChangeGuid.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.inf

@@ -0,0 +1,50 @@
+## @file
+#  Runtime Reset System Library instance that calls gRT->ResetSystem().
+#
+#  Copyright (c) 2017 - 2019, 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                      = RuntimeResetSystemLib
+  MODULE_UNI_FILE                = RuntimeResetSystemLib.uni
+  FILE_GUID                      = DD5D0821-F343-4C85-9CD9-54B3C1A19CEA
+  MODULE_TYPE                    = DXE_RUNTIME_DRIVER
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = ResetSystemLib|DXE_RUNTIME_DRIVER
+
+  CONSTRUCTOR                    = RuntimeResetSystemLibConstruct
+  DESTRUCTOR                     = RuntimeResetSystemLibDeconstruct
+
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 EBC
+#
+
+[Sources]
+  RuntimeResetSystemLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  UefiRuntimeServicesTableLib
+  UefiBootServicesTableLib
+  DebugLib
+
+[Guids]
+  gEfiEventVirtualAddressChangeGuid             ## CONSUMES ## Event
+
+[Depex]
+  gEfiResetArchProtocolGuid