ARM: SAMSUNG: Move pm.c to plat-samsung

Move pm.c to plat-samsung, it should be usable by all Samsung systems
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

arch/arm/plat-s3c/Makefile

@@ -17,7 +17,3 @@ obj-y				+= time.o
 # DMA support
 
 obj-$(CONFIG_S3C_DMA)		+= dma.o
-
-# PM support
-
-obj-$(CONFIG_PM)		+= pm.o

arch/arm/plat-samsung/Makefile

@@ -41,6 +41,7 @@ obj-$(CONFIG_S3C_DEV_NAND)	+= dev-nand.o
 
 # PM support
 
+obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_PM)		+= pm-gpio.o
 obj-$(CONFIG_SAMSUNG_PM_CHECK)	+= pm-check.o