ArmVirtPkg/FdtClientDxe: implement new driver

This implements a new DXE driver FdtClientDxe to produce the FDT client
protocol based on a device tree image supplied by the virt host.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

ArmVirtPkg/FdtClientDxe/FdtClientDxe.inf

@@ -0,0 +1,48 @@
+## @file
+#  FDT client driver
+#
+#  Copyright (c) 2016, Linaro Ltd. 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                      = FdtClientDxe
+  FILE_GUID                      = 9A871B00-1C16-4F61-8D2C-93B6654B5AD6
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = InitializeFdtClientDxe
+
+[Sources]
+  FdtClientDxe.c
+
+[Packages]
+  ArmVirtPkg/ArmVirtPkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  MdePkg/MdePkg.dec
+
+[LibraryClasses]
+  BaseLib
+  DebugLib
+  FdtLib
+  HobLib
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+
+[Protocols]
+  gFdtClientProtocolGuid                  ## PRODUCES
+
+[Guids]
+  gFdtHobGuid
+
+[Depex]
+  TRUE