MdeModulePkg: Add BdsDxe driver and PlatformBootManagerNull library.

BdsDxe driver links to UefiBootManagerLib and PlatformBootManager to
provide a pure UEFI boot manager conforming to the UEFI spec.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17328 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/BdsDxe/Language.h

@@ -0,0 +1,30 @@
+/** @file
+  Language setting
+
+Copyright (c) 2004 - 2015, 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.
+
+**/
+
+#ifndef _LANGUAGE_H_
+#define _LANGUAGE_H_
+
+/**
+  Determine the current language that will be used
+  based on language related EFI Variables.
+
+  @param LangCodesSettingRequired If required to set LangCode variable
+
+**/
+VOID
+InitializeLanguage (
+  BOOLEAN LangCodesSettingRequired
+  );
+
+#endif // _LANGUAGE_H_