* hw/kdrive/ephyr/ephyrhostvideo.c,h:
(EphyrHostXVPutImage): first implementation. does not
support clipping regions yet.
* hw/kdrive/ephyr/ephyrvideo.c:
(DoSimpleClip): clip using a clipping box. Does not
support regions yet.
(EphyrPutImage): first implementation.
Uses a simple clipping rectangle, no region yet.
* hw/kdrive/ephyr/hostx.c:
(hostx_get_window): added this to get the main
window of the host x.