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