* hw/kdrive/ephyr/ephyrhostvideo.c,h:
(ephyrHostXVPutImage): make this support clipping region.
The clipping region is propagated to host using XSetClipRectangles.
This changes the API of ephyrHostXVPutImage.
* hw/kdrive/ephyr/ephyrvideo.c:
(ephyrPutImage): propagate the clipping region to the new
ephyrHostXVPutImage() entry point.