ARM: EXYNOS: add support for EXYNOS5440 SoC

This patch adds support for EXYNOS5440 SoC which is including
ARM Cortex-A15 Quad cores.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 9b58024..1a076df 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -14,9 +14,9 @@
 
 obj-$(CONFIG_ARCH_EXYNOS)	+= common.o
 obj-$(CONFIG_ARCH_EXYNOS4)	+= clock-exynos4.o
-obj-$(CONFIG_ARCH_EXYNOS5)	+= clock-exynos5.o
 obj-$(CONFIG_CPU_EXYNOS4210)	+= clock-exynos4210.o
 obj-$(CONFIG_SOC_EXYNOS4212)	+= clock-exynos4212.o
+obj-$(CONFIG_SOC_EXYNOS5250)	+= clock-exynos5.o
 
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o