[ARM] 4735/1: Unbreak pxa25x suspend/resume

Suspend/resume on the pxa25x was fairly obviously broken in revision
711be5cc

.

This patch fixes the damage by adding back the missing code.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>