pinctrl: samsung: Add support for pull-up and pull-down

Gpiolib framework has the implementation of setting up the
PUD configuration for GPIO pins but there is no driver support.

Add support to handle the PUD configuration request from the
userspace in samsung pinctrl driver.

Signed-off-by: Vishnu Reddy <vishnu.reddy@samsung.com>
Link: https://lore.kernel.org/r/20240729153631.24536-1-vishnu.reddy@samsung.com


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>