arm64: dts: exynos: Use pinctrl macros for exynos5433-tm2

Use pinctrl macro instead of hard-coded number.  This makes the code
more readable.

Signed-off-by: Jaewon Kim <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Krzysztof Kozlowski <[email protected]>

Author: jwn0222

arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi

@@ -1102,7 +1102,7 @@
 
 	te_irq: te-irq-pins {
 		samsung,pins = "gpf1-3";
-		samsung,pin-function = <0xf>;
+		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
 	};
 };