x86: Move fsp_ffs.h include to fsp_arch.h

This include file is only used for FSP v1. Avoid including it from
fdt_support.h so we can use the latter with FSP v2.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
1 file changed