arm64: dts: exynos: Use macros for pinctrl configuration on Exynos5433

Use the macros defined in include/dt-bindings/pinctrl/samsung.h
instead of hardcoded values.

Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>