ARM: s5pc, exynos: move Samsung ARM SoC specific code under arch/arm/

This patch moves S5PC, EXYNOS specific directory entries
from the toplevel Makefile to arch/arm/cpu/armv7/Makefile
using Kbuild descending feature.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/Makefile b/Makefile
index c6a9c0d..03389dd 100644
--- a/Makefile
+++ b/Makefile
@@ -304,12 +304,6 @@
 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 endif
 
-ifeq ($(SOC),s5pc1xx)
-LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
-endif
-ifeq ($(SOC),exynos)
-LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
-endif
 LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o
 
 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile
index a5d5bf3..d3347b3 100644
--- a/arch/arm/cpu/armv7/Makefile
+++ b/arch/arm/cpu/armv7/Makefile
@@ -25,3 +25,7 @@
 
 obj-$(CONFIG_OMAP_COMMON) += omap-common/
 obj-$(CONFIG_TEGRA) += tegra-common/
+
+ifneq (,$(filter s5pc1xx exynos,$(SOC)))
+obj-y += s5p-common/
+endif
diff --git a/spl/Makefile b/spl/Makefile
index 8e7daa2..bf7271d 100644
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -111,10 +111,6 @@
 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 endif
 
-ifeq ($(SOC),exynos)
-LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
-endif
-
 # Add GCC lib
 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o