tegra: colibri_t30: clean-up spurious new line

Clean-up a spurious new line which got introduced resp. left behind by
commit

f1ef2b62
kconfig: move CONFIG_DEFAULT_DEVICE_TREE to kconfig

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>