pinctrl: exynos: add exynos5410 SoC specific data

Add Samsung EXYNOS5410 SoC specific data to enable pinctrl
support for all platforms based on EXYNOS5410.

Signed-off-by: Hakjoo Kim <ruppi.kim@hardkernel.com>
[AF: Rebased onto Exynos5260, irq_chip consolidation, const'ification]
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
Tested-by: Pavel Fedin <p.fedin@samsung.com>
[k.kozlowski: Rebased on current v4.3]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>