ARM: mach-shmobile: move helper macro PORT_DATA_xx to sh_pfc.h

This patch move PORT_DATA_xx helper macro to sh_pfc.h.
and pfc-sh7372.c used it

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

Conflicts:
	include/linux/sh_pfc.h