sunxi: add support for Cubietruck booting in FEL mode

Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Reviewed-by: Tom Rini <trini@ti.com>
Reviewed-by: Marek Vasut <marex@denx.de>
3 files changed