devm_ioremap_resource() does sanity checks on the given resource. No
need to duplicate this in the driver.
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
Reviewed-by: NTerje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: NThierry Reding <treding@nvidia.com>