Defconfig:客户的BOX请使用rk3188_steak_defconfig对比跟新
          Dongle请使用rk3188_magicwind_defconfig对比更新
System stable:fit bug that treat some 3188T chips as 3188
              In kernel log,flag==0x00 means the chip is 3188
              otherwise flag!=0x00 means the chip is 3188T.
fb: notify vsync thread that lcdc mapped to fb0 is changed.
To solove picture size error after HDMI plug/unplug, we refresh picture when get hdmi plug/unplug event.
fix cursor move slow when only av output.
Merge branch 'radxa/mirror/rockchip' into rockchip-3.0