[U-Boot] [PATCH] Makefile: remove generated font files

[Simon Glass]

On Tue, 29 Jan 2019 at 13:15, Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
>
> If `make mrproper` does not delete the generated drivers/video/fonts/*.S
> files a following `make tests` fails.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> ---
>  Makefile | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Simon Glass <sjg at chromium.org>