Some SoCs require a Trusted Firmware-A (TF-A) AP Trusted ROM (BL1) to
initialize the SoC before U-Boot can run properly. Add an atf-bl1 etype
so we can properly package BL1 into a final binary
Signed-off-by: Bryan Brattlof <bb@ti.com>
Acked-by: Simon Glass <sjg@chromium.org>
