freedreno: fix memory leak
Otherwise blitter would still hold a ref to, for example, sampler- views. To reproduce: glmark2 -b desktop:duration=2 --run-forever Fixes: a8e6734a ("freedreno: support for using generic clear path") Cc: "13.0 17.0" <mesa-stable@lists.freedesktop.org> Signed-off-by:Rob Clark <robdclark@gmail.com> (cherry picked from commit c03f6f12)