ARM: s3c: stop including gpio.h

The driver does not use legacy GPIO API, stop including this header.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250331093650.4028999-1-andriy.shevchenko@linux.intel.com


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250513101023.21552-8-krzysztof.kozlowski@linaro.org


Signed-off-by: Arnd Bergmann <arnd@arndb.de>