ARM: EXYNOS: Support DMA for EXYNOS5250 SoC

mach-exynos/dma.c is updated to support both exynos4 and exynos5.

Signed-off-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index bd7e765..84c06ae 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -51,7 +51,7 @@
 obj-$(CONFIG_ARCH_EXYNOS4)		+= dev-audio.o
 obj-$(CONFIG_EXYNOS4_DEV_AHCI)		+= dev-ahci.o
 obj-$(CONFIG_EXYNOS4_DEV_DWMCI)		+= dev-dwmci.o
-obj-$(CONFIG_EXYNOS4_DEV_DMA)		+= dma.o
+obj-$(CONFIG_EXYNOS_DEV_DMA)		+= dma.o
 obj-$(CONFIG_EXYNOS4_DEV_USB_OHCI)	+= dev-ohci.o
 obj-$(CONFIG_EXYNOS_DEV_DRM)		+= dev-drm.o
 obj-$(CONFIG_EXYNOS_DEV_SYSMMU)		+= dev-sysmmu.o