ARM: rationalize versatile family Kconfig/Makefile

Move leds and sched_clock build conditionals out of the Makefile into
the Kconfig file.  Move selection of HAVE_SCHED_CLOCK into the
platform Kconfig rather than duplicating it three times in the main
architecture Kconfig.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/plat-versatile/Makefile b/arch/arm/plat-versatile/Makefile
index 8b3341c..de6f42f 100644
--- a/arch/arm/plat-versatile/Makefile
+++ b/arch/arm/plat-versatile/Makefile
@@ -1,9 +1,5 @@
 obj-y	:= clock.o
-ifneq ($(CONFIG_ARCH_INTEGRATOR),y)
-obj-y	+= sched-clock.o
-endif
-ifeq ($(CONFIG_LEDS_CLASS),y)
-obj-$(CONFIG_ARCH_REALVIEW) += leds.o
-obj-$(CONFIG_ARCH_VERSATILE) += leds.o
-endif
 obj-$(CONFIG_PLAT_VERSATILE_CLCD) += clcd.o
+obj-$(CONFIG_PLAT_VERSATILE_LEDS) += leds.o
+obj-$(CONFIG_PLAT_VERSATILE_SCHED_CLOCK) += sched-clock.o
+