This patch converts device node to fwnode for dwapb driver, so
as to provide a unified fwnode for DT and ACPI bindings.
Tested-by: NAlan Tull <delicious.quinoa@gmail.com>
Acked-by: NAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: NJiang Qiu <qiujiang@huawei.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>