ARM: S5P6440: Move CPU specific code in plat-s5p to machine directory

The s5p6440-clock.c and s5p6440-init.c code in the plat-s5p is specific to
s5p6440 SoC based systems. So these files are being moved to the machine
directory of s5p6440. And these files are renamed in the machine directory.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile
index a79b130..1ad894b 100644
--- a/arch/arm/mach-s5p6440/Makefile
+++ b/arch/arm/mach-s5p6440/Makefile
@@ -12,7 +12,7 @@
 
 # Core support for S5P6440 system
 
-obj-$(CONFIG_CPU_S5P6440)	+= cpu.o s5p6440-gpio.o
+obj-$(CONFIG_CPU_S5P6440)	+= cpu.o init.o clock.o gpio.o
 
 # machine support