At several positions in the code sparse complains about incorrect access
to __iomem annotated memory. Fix this and make sparse happy.
Tested-by: NKevin Hilman <khilman@baylibre.com>
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
[Sudeep Holla: changed the patch title to describe the change]
Signed-off-by: NSudeep Holla <sudeep.holla@arm.com>