arm: dts: rockchip: move all rk3128 u-boot specific properties in separate dtsi files

Move all rk3128 u-boot specific properties in separate dtsi files.
Sort emmc node.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3128-evb.dts b/arch/arm/dts/rk3128-evb.dts
index a407ac2..e7d8f7c 100644
--- a/arch/arm/dts/rk3128-evb.dts
+++ b/arch/arm/dts/rk3128-evb.dts
@@ -37,6 +37,11 @@
 	};
 };
 
+&emmc {
+	fifo-mode;
+	status = "okay";
+};
+
 &i2c1 {
 	status = "okay";
 
@@ -74,11 +79,6 @@
 	status = "okay";
 };
 
-&emmc {
-	fifo-mode;
-	status = "okay";
-};
-
 &pinctrl {
 	usb_otg {
 		otg_vbus_drv: host-vbus-drv {