ARM: dts: Add FIMC nodes for Exynos4210 Trats board

Enable FIMC devices on the Trats board. This allows using the
device in memory-to-memory mode only. The camera port pinctrl
property is now empty and will be updated while support for the
camera sensors is added.

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>