Fix building with and without VA

mesa.spec

@@ -134,7 +134,9 @@ vdpau and xvmc state trackers.
 %{_libdir}/dri/swrast_dri.so
 %{_libdir}/dri/kms_swrast_dri.so
 %{_libdir}/dri/vmwgfx_dri.so
+%if %{with va}
 %{_libdir}/dri/gallium_drv_video.so
+%endif
 # xvmc state tracker backends
 %{_libdir}/libXvMCnouveau.so.*
 %{_libdir}/libXvMCr600.so.*
@@ -575,6 +577,12 @@ autoreconf -vfi
 	--enable-dri \
 	--enable-dri3 \
 	--enable-vdpau \
+%if %{with va}
+	--enable-va \
+%else
+	--disable-va \
+%endif
+	--disable-omx \
 %if %{with opencl}
 	--enable-opencl \
 	TODO: if OpenCL support in Mesa is needed, it needs more work