ARM: dts: Add camera device nodes for Exynos4412 TRATS2 board

This patch enables the front camera using the internal
camera ISP (FIMC-IS).

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>