trats: config: fix: Set default console to ttySAC2

During providing device tree support for Exynos4 based boards,
a tiny mistake has creeped in the fe60164 commit.

This commit restores proper setting of default console for the
trats board.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
1 file changed