hikey: bootloader: Update prebuilt fip.bin and l-loader.bin

This updates the fip.bin and l-loader.bin to builds from the
latest sources.

Notable changes:
* Hack workaround for fastboot flashing hangs
* Set HIKEY_ERASE_SIZE to 4096

Built from the following trees:
https://android.googlesource.com/device/linaro/bootloader/arm-trusted-firmware 179eae6bcbfe21200b3dec42e0b56e5e6faf3272
https://android.googlesource.com/device/linaro/bootloader/edk2 e0fb9b50e19e70d35f7e5b277eec586befbd4a53
https://android.googlesource.com/device/linaro/bootloader/OpenPlatformPkg 9e2fbf006e4b9378226b09e88bf407400f3ba465

Signed-off-by: John Stultz <john.stultz@linaro.org>

Change-Id: Ia4688c77d0ce4acffe78a649b5e0d71f57fbb944
diff --git a/installer/hikey/fip.bin b/installer/hikey/fip.bin
index a278394..10e5ebc 100644
--- a/installer/hikey/fip.bin
+++ b/installer/hikey/fip.bin
Binary files differ
diff --git a/installer/hikey/l-loader.bin b/installer/hikey/l-loader.bin
index d35b10d..7771f3b 100644
--- a/installer/hikey/l-loader.bin
+++ b/installer/hikey/l-loader.bin
Binary files differ