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

Move the PWM driver support to plat-samsung, as these PWM blocks are
close enough across the current range to be supported by this driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 27d5bfb..f31e64f 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -42,3 +42,7 @@
 # PM support
 
 obj-$(CONFIG_PM)		+= pm-gpio.o
+
+# PWM support
+
+obj-$(CONFIG_HAVE_PWM)		+= pwm.o