EmbeddedPkg: import Lan91x Ethernet controller driver

OpenPlatformPkg (https://git.linaro.org/uefi/OpenPlatformPkg.git) holds a
driver for the SMSC LAN91x, used (among other places) in several ARM Ltd.
software system models.

Import it to EDK2 EmbeddedPkg in preparation for migrating those model
platforms to edk2-platforms.

On the way, update the files to pass PatchCheck.py without warnings
(EFI_D_ -> DEBUG_ and purging tab characters).
Also update .inf file to current version (and sort entries within
sections).
And update copyright dates to reflect this.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

EmbeddedPkg/EmbeddedPkg.dec

@@ -4,6 +4,7 @@
 # This Package provides headers and libraries that conform to EFI/PI Industry standards.
 # Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
 # Copyright (c) 2012-2015, ARM Ltd. All rights reserved.<BR>
+# Copyright (c) 2017, 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.
@@ -160,6 +161,9 @@
   # duplex operation is suspected to be broken in the driver.
   gEmbeddedTokenSpaceGuid.PcdLan9118NegotiationFeatureMask|0xFFFFFEBF|UINT32|0x00000028
 
+  # LAN91x Ethernet Driver PCDs
+  gEmbeddedTokenSpaceGuid.PcdLan91xDxeBaseAddress|0x0|UINT32|0x00000029
+
   #
   # Android FastBoot
   #