[U-Boot] [U-Boot, v2] Makefile: Do not create empty autoconf.mk on error

[Tom Rini]

On Mon, Dec 02, 2013 at 02:57:29PM +0900, Masahiro Yamada wrote:

> The build rules of
>   - include/autoconf.mk.dep
>   - include/autoconf.mk
>   - include/spl-autoconf.mk
>   - include/tpl-autoconf.mk
> were not nice.
> 
> They created empty files (which are never updated)
> if an error occurs during preprocessing.
> 
> Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>

Applied to u-boot/master, thanks!

-- 
Tom
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