gpio: 74x164: shrink code

Use managed helpers to drop the goto label from probe() and shrink the
remove() callback.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20241017150835.105676-1-brgl@bgdev.pl


Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>