soc: mediatek: pwrap: Switch to devm_platform_ioremap_resource_byname()

In order to simplify ioremapping resources, instead of calling
platform_get_resource_byname() and then devm_ioremap_resource(),
simply call devm_platform_ioremap_resource_byname().

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20220517104712.24579-3-angelogioacchino.delregno@collabora.com


Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>