freedreno/a6xx: Fix uncompressed resource vs stale CSO

freedreno/a6xx: Fix uncompressed resource vs stale CSO

A sequence like:

1) create sampler view CSO with UBWC resource
2) later create another sampler view or image view with the same
   resource, but a format that triggers demoting the resource to
   uncompressed
3) bind CSO created in step #1

would not work correctly, because the CSO created in step #1 is still
setup for UBWC, despite the fact that the resource had been demoted to
uncompressed.

Fortunately this is easy enough to detect, as the resource's seqno would
have been updated.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9321>