freedreno/ir3: move ubo_state into const_state

As with const_state, this will also need to move into the variant.  To
simplify that, just move it into the const_state itself, since after all
it is related.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5508>
9 files changed