ARM: dts: exynos: Use pinctrl labels in exynos4210-pinctrl

Labels for pinctrl's are defined in exynos4210.dtsi. Use them in
exynos4210-pinctrl instead of full names, as it is done in other Exynos
DTSes.
Signed-off-by: Maciej Purski <m.purski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos4210.dtsi

@@ -17,7 +17,6 @@
  */
 
 #include "exynos4.dtsi"
-#include "exynos4210-pinctrl.dtsi"
 #include "exynos4-cpu-thermal.dtsi"
 
 / {
@@ -468,3 +467,5 @@ &rotator {
 &sysmmu_rotator {
 	power-domains = <&pd_lcd0>;
 };
+
+#include "exynos4210-pinctrl.dtsi"