gallium/st: Add Gallium hud to swrast drivers

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
10 jobs for !1144 with gallium-add-hud-in-swdrivers in 7 minutes and 23 seconds (queued for 2 seconds)
merge request