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/AppPkg/Applications/Sockets/ReadMe.txt b/uefi/linaro-edk2/AppPkg/Applications/Sockets/ReadMe.txt
new file mode 100644
index 0000000..6cfa615
--- /dev/null
+++ b/uefi/linaro-edk2/AppPkg/Applications/Sockets/ReadMe.txt
@@ -0,0 +1,11 @@
+Users of the socket library need to do the following:

+

+•	Use the development branch: https://edk2.svn.sourceforge.net/svnroot/edk2/branches/EADK/

+•	Create an Efi\StdLib\etc directory on their system or USB flash device

+•	Copy the files from StdLib\Efi\StdLib\etc into that directory

+•	Edit the files appropriately

+	o	Set the correct DNS servers in resolv.conf

+	o	Set the search order in host.conf

+•	At the EFI shell

+	o	Set the device containing the \Efi directory as the default device

+	o	Run the socket application