gpio: zynq: Simplify using devm_clk_get_enabled()

Use devm_clk_get_enabled() simplify zynq_gpio_probe() and zynq_gpio_remove().

Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Rong Qianfeng <rongqianfeng@vivo.com>
Link: https://lore.kernel.org/r/20240820121651.29706-3-rongqianfeng@vivo.com


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