gpio: nomadik: use devm_platform_ioremap_resource() helper

Replace calls to platform_get_resource() then devm_ioremap_resource() by
a single call to devm_platform_ioremap_resource().

Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Link: https://lore.kernel.org/r/20240228-mbly-gpio-v2-17-3ba757474006@bootlin.com


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