arm: dts: rockchip: fix include rk3xxx-u-boot.dtsi

Move the include for rk3xxx-u-boot.dtsi to rk3188-u-boot.dtsi
to stay in line with U-boot dtsi files.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/dts/rk3188-u-boot.dtsi

@@ -4,6 +4,7 @@
  */
 
 #include "rockchip-u-boot.dtsi"
+#include "rk3xxx-u-boot.dtsi"
 
 &global_timer {
 	status = "okay";

arch/arm/dts/rk3188.dtsi

@@ -9,7 +9,6 @@
 #include <dt-bindings/clock/rk3188-cru.h>
 #include <dt-bindings/power/rk3188-power.h>
 #include "rk3xxx.dtsi"
-#include "rk3xxx-u-boot.dtsi"
 
 / {
 	compatible = "rockchip,rk3188";