linux:defconfigs: enable CONFIG_NULL_TTY

This is a part of fix for issue [746-000797] Flash-N-Go System: Implement "Disable serial console". This allows to set console=ttynull in kernel cmdline.

Signed-off-by: Dmitry Petrov dmitry.petrov@rtsoft.de

(cherry picked from commit 6be55816)

assigned to @jonas.hoeppner

enabled an automatic merge when the pipeline for ef37c54b succeeds

merged

Integration merge request: seco-ne/yocto/manifest!1652 (merged)

mentioned in merge request seco-ne/yocto/manifest!1652 (merged)