pinctrl: exynos: add exynos5410 SoC specific data

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

[AF: Rebased onto Exynos5260]
ARM: dts: exynos5410: Add pinctrl

Signed-off-by: Andreas Färber <afaerber@suse.de>
ARM: dts: exynos5410: Add ODROID-XU LEDs

Signed-off-by: Andreas Färber <afaerber@suse.de>