rockchip: binman: Create a template for the FIT

Move the FIT description into a template so that it can be used in both
the simple-bin and the simple-bin-spi images.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
1 file changed