arm: omap: complete removal of machine_desc.io_pg_offst and .phys_io

Commit 861bd81ee6 in linux-next as of 20101018 (arm: remove
machine_desc.io_pg_offst and .phys_io) missed out on updating
a few boards. This causes the build of omap2plus_defconfig
to fail. Fix this.

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Eric Miao <eric.miao at canonical.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>