[S390] Kconfig: menus with depends on HAS_IOMEM.

Add "depends on HAS_IOMEM" to a number of menus to make them
disappear for s390 which does not have I/O memory.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 80acd08..87d2046 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -1,5 +1,6 @@
 
 menu "LED devices"
+	depends on HAS_IOMEM
 
 config NEW_LEDS
 	bool "LED Support"