ARM: dts: exynos: Use macros for pinctrl configuration on exynos5260

Usage of DTS macros instead of hard-coded numbers makes code easier to
read.  One does not have to remember which value means pull-up/down or
specific driver strength.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/exynos5260-xyref5260.dts

@@ -42,9 +42,9 @@ xrtcxti: xrtcxti {
 &pinctrl_0 {
 	hdmi_hpd_irq: hdmi-hpd-irq {
 		samsung,pins = "gpx3-7";
-		samsung,pin-function = <0>;
-		samsung,pin-pud = <1>;
-		samsung,pin-drv = <0>;
+		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+		samsung,pin-drv = <EXYNOS5260_PIN_DRV_LV1>;
 	};
 };