MINIARM: arm: dts: rk3288-miniarm: enable dw-mipi

it's disabled in release-4.4 branch

Change-Id: Ib6001872b35eb6dae9847a8b12f537eb59c20b4e
Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>

Author: wzyy2

arch/arm/boot/dts/rk3288-miniarm.dts

@@ -199,7 +199,7 @@
 };
 
 &dsi0 {
-	status = "disabled";
+	status = "okay";
 	mipi_panel: mipi-panel {
 		compatible ="asus,tc358762";
 		reg = <0>;