sh: Kill off remaining private runtime PM bits.

This kills of the now unused runtime PM stub in favour of the generic
one.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index 51f171b..c393894 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -7,14 +7,4 @@
 obj-$(CONFIG_MAPLE)		+= maple/
 obj-$(CONFIG_SUPERHYWAY)	+= superhyway/
 obj-$(CONFIG_GENERIC_GPIO)	+= pfc.o
-
-#
-# For the moment we only use this framework for ARM-based SH/R-Mobile
-# platforms and generic SH. SH-based SH-Mobile platforms are still using
-# an older framework that is pending up-porting, at which point this
-# special casing can go away.
-#
-obj-$(CONFIG_SUPERH)$(CONFIG_ARCH_SHMOBILE)	+= pm_runtime.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7722)		+= pm_runtime.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7723)		+= pm_runtime.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7724)		+= pm_runtime.o
+obj-$(CONFIG_PM_RUNTIME)	+= pm_runtime.o