sh: pfc: Shuffle PFC support core.

This follows the intc/clk changes and shuffles the PFC support code under
its own directory. This will facilitate better code sharing, and allow us
to trim down the exported interface by quite a margin.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index f5d93e8..e57895b 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -5,7 +5,7 @@
 
 obj-$(CONFIG_HAVE_CLK)		+= clk/
 obj-$(CONFIG_MAPLE)		+= maple/
+obj-$(CONFIG_SH_PFC)		+= pfc/
 obj-$(CONFIG_SUPERHYWAY)	+= superhyway/
-obj-$(CONFIG_SH_PFC)		+= pfc.o
-obj-$(CONFIG_GPIO_SH_PFC)	+= pfc-gpio.o
+
 obj-y				+= pm_runtime.o