hikey: Add UEFI sources for reference

UEFI needs to be built outside Android build system.
Please follow the instructions in README.

The sources correspond to:
https://github.com/96boards/edk2/commit/14eae0c12e71fd33c4c0fc51e4475e8db02566cf
https://github.com/96boards/arm-trusted-firmware/commit/e9b4909dcd75fc4ae7041cfb83d28ab9adb7afdf
https://github.com/96boards/l-loader/commit/6b784ad5c4ab00e2b1c6f53cd5f74054e5d00a78
https://git.linaro.org/uefi/uefi-tools.git/commit/abe618f8ab72034fff1ce46c9c006a2c6bd40a7e

Change-Id: Ieeefdb63e673e0c8e64e0a1f02c7bddc63b2c7fb
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
diff --git a/uefi/linaro-edk2/MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf b/uefi/linaro-edk2/MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
new file mode 100644
index 0000000..a203e18
--- /dev/null
+++ b/uefi/linaro-edk2/MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
@@ -0,0 +1,36 @@
+## @file

+#  Debug Library with empty functions.

+#

+#  Copyright (c) 2007 - 2014, 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                      = BaseDebugLibNull

+  MODULE_UNI_FILE                = BaseDebugLibNull.uni

+  FILE_GUID                      = 9ba1d976-0624-41a3-8650-28165e8d9ae8

+  MODULE_TYPE                    = BASE

+  VERSION_STRING                 = 1.0

+  LIBRARY_CLASS                  = DebugLib 

+

+

+#

+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC

+#

+

+[Sources]

+  DebugLib.c

+

+

+[Packages]

+  MdePkg/MdePkg.dec

+