[PATCH] Makefile: Add missing quotes around sort --field-separator

[Simon Glass]

On Tue, 11 Jul 2023 at 06:16, Marek Vasut <marex at denx.de> wrote:
>
> Busybox sort does not handle --field-separator== , replace this
> with --field-separator='=' for maximum 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>
> ---
> Cc: Christoph Niedermaier <cniedermaier at dh-electronics.com>
> Cc: Marek Behún <marek.behun at nic.cz>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Stefano Babic <sbabic at denx.de>
> Cc: u-boot at dh-electronics.com
> Cc: u-boot at lists.denx.de
> ---
>  Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

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