[U-Boot] [PATCH] Makefile: fix processing of default environment file

[Joe Hershberger]

On Wed, Apr 17, 2019 at 1:56 AM Samuel Mescoff <samuel at mescoff.fr> wrote:
>
> Allow the default environment file to contain long lines split into
> multiples lines.
>
> Leading white spaces can be added for readability as well.
>
> Signed-off-by: Samuel Mescoff <samuel at mescoff.fr>

Acked-by: Joe Hershberger <joe.hershberger at ni.com>