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/include/linux/sh_pfc.h b/include/linux/sh_pfc.h
index ed1d823..f522550 100644
--- a/include/linux/sh_pfc.h
+++ b/include/linux/sh_pfc.h
@@ -127,10 +127,10 @@
 /* XXX compat for now */
 #define pinmux_info sh_pfc
 
-/* drivers/sh/pfc-gpio.c */
+/* drivers/sh/pfc/gpio.c */
 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
 
-/* drivers/sh/pfc.c */
+/* drivers/sh/pfc/core.c */
 int register_sh_pfc(struct sh_pfc *pfc);
 
 int sh_pfc_read_bit(struct pinmux_data_reg *dr, unsigned long in_pos);