Add mali r3p2 modules for rk3066-kernel from (malidevloper.arm.com) and from (github.com/rzk/linux)
1)complitation is OK,
2)modprobe drm/drm_mali/ump/mali seams OK, but no /dev/mali showing,
  no platform_device.probe invoking after modprobe, how can we tell kernel to invoke it?