[PATCH v2 25/32] gitlab: Disable SDL when building sandbox

[sjg at google.com]

I am not sure how to add libsdl2-dev to the gitlab image, so disable
building sandbox with SDL for now.

Signed-off-by: Simon Glass <sjg at chromium.org>
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Changes in v2: None

 .gitlab-ci.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Applied to u-boot-dm, thanks!