Add Installer for bootloader

Add prebuilt UEFI bootloader which could be flashed from scratch.
Bootloader is built from sources from earlier commit.
Includes an installer script which helps to flash the bootloader
and AOSP images built from sources:

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: I006f33083fc5d1868345be7daff52fa69ea64334
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
12 files changed