configure: autodetect video state-trackers when non swrast driver is present

It makes little sense to enable the vdpau, xvmc and omx state-trackers
as they do not make use of (don't work with) the software driver.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
1 file changed