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/Include/Ppi/Reset.h b/uefi/linaro-edk2/MdePkg/Include/Ppi/Reset.h
new file mode 100644
index 0000000..bbd5cee
--- /dev/null
+++ b/uefi/linaro-edk2/MdePkg/Include/Ppi/Reset.h
@@ -0,0 +1,44 @@
+/** @file

+  This file declares Reset PPI used to reset the platform.

+  

+  This PPI is installed by some platform- or chipset-specific PEIM that 

+  abstracts the Reset Service to other agents.

+

+  Copyright (c) 2006 - 2009, 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.             

+

+  @par Revision Reference:

+  This PPI is introduced in PI Version 1.0.

+

+**/

+

+#ifndef __RESET_PPI_H__

+#define __RESET_PPI_H__

+

+#define EFI_PEI_RESET_PPI_GUID \

+  { \

+    0xef398d58, 0x9dfd, 0x4103, {0xbf, 0x94, 0x78, 0xc6, 0xf4, 0xfe, 0x71, 0x2f } \

+  }

+

+//

+// EFI_PEI_RESET_PPI.ResetSystem() is equivalent to the

+// PEI Service ResetSystem().

+// It is introduced in PIPeiCis.h. 

+//

+

+///

+/// This PPI provides provide a simple reset service. 

+///

+typedef struct {

+  EFI_PEI_RESET_SYSTEM  ResetSystem;

+} EFI_PEI_RESET_PPI;

+

+extern EFI_GUID gEfiPeiResetPpiGuid;

+

+#endif