ARM: S5P: Add support for MFC device

Add support for MFC device to plat-s5p, mach-exynos4, mach-s5pv210:
 - clock support
 - memory mapping and reserving
 - s5p_device_mfc platform device

Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2b5f82f..b0f9ddb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -753,6 +753,7 @@
 	bool "Samsung S5PV210/S5PC110"
 	select CPU_V7
 	select ARCH_SPARSEMEM_ENABLE
+	select ARCH_HAS_HOLES_MEMORYMODEL
 	select GENERIC_GPIO
 	select HAVE_CLK
 	select CLKDEV_LOOKUP
@@ -770,6 +771,7 @@
 	bool "Samsung EXYNOS4"
 	select CPU_V7
 	select ARCH_SPARSEMEM_ENABLE
+	select ARCH_HAS_HOLES_MEMORYMODEL
 	select GENERIC_GPIO
 	select HAVE_CLK
 	select CLKDEV_LOOKUP