Now that Linux has accepted these tags, move the device tree files in U-Boot over to use them. Signed-off-by: Simon Glass <sjg@chromium.org>
Configure SPI flash devices into SPL. Add SPI boot option to spl.c. Document how to format flash for booting. Signed-off-by: Thomas Skibo <thomas-git@skibo.net> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Add dts files for SiFive Unmatched board. Signed-off-by: Green Wan <green.wan@sifive.com> Reviewed-by: Rick Chen <rick@andestech.com>