sh: mach-titan: Kill off unused PIO port mangling.

Nothing is using this, kill it off. Fixing up access sizes can be done
with trapped I/O for anyone wanting to make use of this for devices that
need it, everything else is already pure MMIO.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/Makefile b/arch/sh/boards/Makefile
index ce0f263..4f90f9b 100644
--- a/arch/sh/boards/Makefile
+++ b/arch/sh/boards/Makefile
@@ -8,3 +8,4 @@
 obj-$(CONFIG_SH_EDOSK7760)	+= board-edosk7760.o
 obj-$(CONFIG_SH_ESPT)		+= board-espt.o
 obj-$(CONFIG_SH_POLARIS)	+= board-polaris.o
+obj-$(CONFIG_SH_TITAN)		+= board-titan.o