ARM: EXYNOS: Add platform resource definitions for FIMC-LITE

Add the gate clocks and register region address definition
for FIMC-LITE devices available in EXYNOS4X12 SoCs.

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