vc4: Enable lower_umax and lower_umin

VC4 doesn't have support for UMAX and UMIN integer operations. So
we should avoid algebraic optimizations that generate umax/umin ops.

Fixes: 8e1b75b330954a ("nir/algebraic: optimize iand/ior of (n)eq zero")
Reviewed-by: Alejandro PiƱeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7083>
1 file changed