sh: also without PM_RUNTIME pm_runtime.o must be built

When CONFIG_PM_RUNTIME is off, drivers/sh/pm_runtime.o still has to be
built on sh platforms, because then it provides means to statically
switch on device PM clocks.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index c393894..7139ad2 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -7,4 +7,4 @@
 obj-$(CONFIG_MAPLE)		+= maple/
 obj-$(CONFIG_SUPERHYWAY)	+= superhyway/
 obj-$(CONFIG_GENERIC_GPIO)	+= pfc.o
-obj-$(CONFIG_PM_RUNTIME)	+= pm_runtime.o
+obj-y				+= pm_runtime.o