Create the image with aligned width/height on BDW
Create the image with aligned width/height on BDW

The hardware requires that the surface pitch should be 64 alignment.
Otherwise the data port can't be accessed correctly.

Signed-off-by: Zhao Yakui <21bae65ecea50a19bd9d0fef489914760189fd5b@intel.com>

halleyzhao/libva-intel-driver-fdo,halleyzhao/libva-intel-driver-fdo,halleyzhao/libva-intel-driver-fdo,halleyzhao/libva-intel-driver-fdo