usb: gadget: pxa25x_udc: Switch to use devm_gpio_request_one()

usb: gadget: pxa25x_udc: Switch to use devm_gpio_request_one()

devm_gpio_request() is going to be removed. This driver is only user of that
API. Convert it to use different API.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250531212331.3635269-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>