[PATCH] Makefile: Use sort shortopts

[Tom Rini]

On Thu, Jul 20, 2023 at 02:50:42PM +0200, Marek Vasut wrote:

> POSIX does not defined longopts for sort, use shortops
> for even more compatibility.
> 
> Fixes: cc5a490cf465 ("Makefile: Sort u-boot-initial-env output")
> Reported-by: Milan P. Stanić <mps at arvanta.net>
> Signed-off-by: Marek Vasut <marex at denx.de>
> Reviewed-by: Mark Kettenis <kettenis at openbsd.org>
> Tested-by: Milan P. Stanić <mps at arvanta.net>

Applied to u-boot/master, thanks!

-- 
Tom
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