ARM: dts: Add FIMD node and display timing node to exynos4412-origen.dts

This patch adds FIMD related nodes for the Origen Quad board.

Signed-off-by: Vikas Sajjan <vikas.sajjan@linaro.org>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>