CorebootPayloadPkg: Add coreboot PlatfromBootManagerLib implementation

In order to use the generic BdsDxe in MdeModulePkg, a platform
specific PlatfromBootManagerLib is required. This library will
help update the ConIn, ConOut and ErrOut variables.

Cc: Prince Agyeman <prince.agyeman@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Maurice Ma <maurice.ma@intel.com>
Reviewed-by: Lee Leahy <leroy.p.leahy@intel.com>

CorebootPayloadPkg/Library/PlatformBootManagerLib/PlatformData.c

@@ -0,0 +1,25 @@
+/**@file
+  Defined the platform specific device path which will be filled to
+  ConIn/ConOut variables.
+
+Copyright (c) 2016, 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.
+**/
+
+#include "PlatformBootManager.h"
+
+///
+/// Predefined platform default console device path
+///
+PLATFORM_CONSOLE_CONNECT_ENTRY   gPlatformConsole[] = {
+  {
+    NULL,
+    0
+  }
+};