pinctrl: berlin: bg4ct: Use devm_platform_*ioremap_resource() APIs

Use devm_platform_get_and_ioremap_resource() and
devm_platform_ioremap_resource() APIs instead of their
open coded analogues.

Signed-off-by: zhaoxiao <zhaoxiao@uniontech.com>
Link: https://lore.kernel.org/r/20220520052021.25631-1-zhaoxiao@uniontech.com


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>