[PATCH] scripts/get_default_envs.sh: Remove blank lines

[Tom Rini]

On Wed, Feb 23, 2022 at 10:33:36AM +0100, Christoph Niedermaier wrote:

> After sorting, unnoticed blank lines at the end move to the top.
> Avoid this by removing it before sorting.
> 
> Signed-off-by: Christoph Niedermaier <cniedermaier at dh-electronics.com>
> Cc: Lukasz Majewski <lukma at denx.de>
> Cc: Rasmus Villemoes <rasmus.villemoes at prevas.dk>
> Cc: Tom Rini <trini at konsulko.com>
> To: u-boot at lists.denx.de

Applied to u-boot/master, thanks!

-- 
Tom
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