This patch adds support GPIOlib for EXYNOS5250 SoC. Note: this patch depends on supporting EXYNOS5250 patches and will be updated when EXYNOS5 DT is supported. [PATCH 1/2] ARM: EXYNOS: add support GPIO for EXYNOS5250 [PATCH 2/2] gpio/samsung: add support GPIOlib for EXYNOS5250