[ARM] 3280/1: OMAP: 2/3 Fix low-level io init for omap1 boards

Patch from Tony Lindgren

This patch fixes the low-level IO init for omap1 boards.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>